20793589760

素因数分解:

$2^{16}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 272

約数和(自身を含む): 54357765120

約数和(自身を除く): 33564175360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 89, 92, 115, 124, 128, 155, 160, 178, 184, 230, 248, 256, 310, 320, 356, 368, 445, 460, 496, 512, 620, 640, 712, 713, 736, 890, 920, 992, 1024, 1240, 1280, 1424, 1426, 1472, 1780, 1840, 1984, 2047, 2048, 2480, 2560, 2759, 2848, 2852, 2944, 3560, 3565, 3680, 3968, 4094, 4096, 4960, 5120, 5518, 5696, 5704, 5888, 7120, 7130, 7360, 7936, 8188, 8192, 9920, 10235, 10240, 11036, 11392, 11408, 11776, 13795, 14240, 14260, 14720, 15872, 16376, 16384, 19840, 20470, 20480, 22072, 22784, 22816, 23552, 27590, 28480, 28520, 29440, 31744, 32752, 32768, 39680, 40940, 40960, 44144, 45568, 45632, 47104, 55180, 56960, 57040, 58880, 63457, 63488, 65504, 65536, 79360, 81880, 81920, 88288, 91136, 91264, 94208, 110360, 113920, 114080, 117760, 126914, 126976, 131008, 158720, 163760, 163840, 176576, 182272, 182528, 188416, 220720, 227840, 228160, 235520, 253828, 253952, 262016, 317285, 317440, 327520, 327680, 353152, 364544, 365056, 376832, 441440, 455680, 456320, 471040, 507656, 507904, 524032, 634570, 634880, 655040, 706304, 729088, 730112, 753664, 882880, 911360, 912640, 942080, 1015312, 1015808, 1048064, 1269140, 1269760, 1310080, 1412608, 1458176, 1460224, 1507328, 1765760, 1822720, 1825280, 1884160, 2030624, 2031616, 2096128, 2538280, 2539520, 2620160, 2825216, 2916352, 2920448, 3531520, 3645440, 3650560, 3768320, 4061248, 4192256, 5076560, 5079040, 5240320, 5650432, 5832704, 5840896, 7063040, 7290880, 7301120, 7536640, 8122496, 8384512, 10153120, 10158080, 10480640, 11300864, 11681792, 14126080, 14581760, 14602240, 16244992, 16769024, 20306240, 20961280, 22601728, 23363584, 28252160, 29163520, 29204480, 32489984, 33538048, 40612480, 41922560, 45203456, 46727168, 56504320, 58408960, 64979968, 67076096, 81224960, 83845120, 90406912, 113008640, 116817920, 129959936, 134152192, 162449920, 167690240, 180813824, 226017280, 233635840, 259919872, 324899840, 335380480, 452034560, 519839744, 649799680, 670760960, 904069120, 1039679488, 1299599360, 2079358976, 2599198720, 4158717952, 5198397440, 10396794880, 20793589760]

約数ペア:

[(1, 20793589760), (2, 10396794880), (4, 5198397440), (5, 4158717952), (8, 2599198720), (10, 2079358976), (16, 1299599360), (20, 1039679488), (23, 904069120), (31, 670760960), (32, 649799680), (40, 519839744), (46, 452034560), (62, 335380480), (64, 324899840), (80, 259919872), (89, 233635840), (92, 226017280), (115, 180813824), (124, 167690240), (128, 162449920), (155, 134152192), (160, 129959936), (178, 116817920), (184, 113008640), (230, 90406912), (248, 83845120), (256, 81224960), (310, 67076096), (320, 64979968), (356, 58408960), (368, 56504320), (445, 46727168), (460, 45203456), (496, 41922560), (512, 40612480), (620, 33538048), (640, 32489984), (712, 29204480), (713, 29163520), (736, 28252160), (890, 23363584), (920, 22601728), (992, 20961280), (1024, 20306240), (1240, 16769024), (1280, 16244992), (1424, 14602240), (1426, 14581760), (1472, 14126080), (1780, 11681792), (1840, 11300864), (1984, 10480640), (2047, 10158080), (2048, 10153120), (2480, 8384512), (2560, 8122496), (2759, 7536640), (2848, 7301120), (2852, 7290880), (2944, 7063040), (3560, 5840896), (3565, 5832704), (3680, 5650432), (3968, 5240320), (4094, 5079040), (4096, 5076560), (4960, 4192256), (5120, 4061248), (5518, 3768320), (5696, 3650560), (5704, 3645440), (5888, 3531520), (7120, 2920448), (7130, 2916352), (7360, 2825216), (7936, 2620160), (8188, 2539520), (8192, 2538280), (9920, 2096128), (10235, 2031616), (10240, 2030624), (11036, 1884160), (11392, 1825280), (11408, 1822720), (11776, 1765760), (13795, 1507328), (14240, 1460224), (14260, 1458176), (14720, 1412608), (15872, 1310080), (16376, 1269760), (16384, 1269140), (19840, 1048064), (20470, 1015808), (20480, 1015312), (22072, 942080), (22784, 912640), (22816, 911360), (23552, 882880), (27590, 753664), (28480, 730112), (28520, 729088), (29440, 706304), (31744, 655040), (32752, 634880), (32768, 634570), (39680, 524032), (40940, 507904), (40960, 507656), (44144, 471040), (45568, 456320), (45632, 455680), (47104, 441440), (55180, 376832), (56960, 365056), (57040, 364544), (58880, 353152), (63457, 327680), (63488, 327520), (65504, 317440), (65536, 317285), (79360, 262016), (81880, 253952), (81920, 253828), (88288, 235520), (91136, 228160), (91264, 227840), (94208, 220720), (110360, 188416), (113920, 182528), (114080, 182272), (117760, 176576), (126914, 163840), (126976, 163760), (131008, 158720)]