20856581504

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{1109}}^1$

素因数の和:1209

約数の個数: 192

約数和(自身を含む): 49175974800

約数和(自身を除く): 28319393296

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 37, 38, 44, 64, 74, 76, 88, 128, 148, 152, 176, 209, 296, 304, 352, 361, 407, 418, 592, 608, 703, 704, 722, 814, 836, 1109, 1184, 1216, 1406, 1408, 1444, 1628, 1672, 2218, 2368, 2432, 2812, 2888, 3256, 3344, 3971, 4436, 4736, 5624, 5776, 6512, 6688, 7733, 7942, 8872, 11248, 11552, 12199, 13024, 13357, 13376, 15466, 15884, 17744, 21071, 22496, 23104, 24398, 26048, 26714, 26752, 30932, 31768, 35488, 41033, 42142, 44992, 46208, 48796, 52096, 53428, 61864, 63536, 70976, 82066, 84284, 89984, 97592, 106856, 123728, 127072, 141952, 146927, 164132, 168568, 195184, 213712, 231781, 247456, 254144, 293854, 328264, 337136, 390368, 400349, 427424, 451363, 463562, 494912, 508288, 587708, 656528, 674272, 779627, 780736, 800698, 854848, 902726, 927124, 989824, 1175416, 1313056, 1348544, 1559254, 1561472, 1601396, 1709696, 1805452, 1854248, 2350832, 2626112, 2697088, 3118508, 3202792, 3610904, 3708496, 4403839, 4701664, 5252224, 6237016, 6405584, 7221808, 7416992, 8575897, 8807678, 9403328, 12474032, 12811168, 14443616, 14812913, 14833984, 17151794, 17615356, 18806656, 24948064, 25622336, 28887232, 29625826, 29667968, 34303588, 35230712, 49896128, 51244672, 57774464, 59251652, 68607176, 70461424, 99792256, 118503304, 137214352, 140922848, 162942043, 237006608, 274428704, 281845696, 325884086, 474013216, 548857408, 563691392, 651768172, 948026432, 1097714816, 1303536344, 1896052864, 2607072688, 5214145376, 10428290752, 20856581504]

約数ペア:

[(1, 20856581504), (2, 10428290752), (4, 5214145376), (8, 2607072688), (11, 1896052864), (16, 1303536344), (19, 1097714816), (22, 948026432), (32, 651768172), (37, 563691392), (38, 548857408), (44, 474013216), (64, 325884086), (74, 281845696), (76, 274428704), (88, 237006608), (128, 162942043), (148, 140922848), (152, 137214352), (176, 118503304), (209, 99792256), (296, 70461424), (304, 68607176), (352, 59251652), (361, 57774464), (407, 51244672), (418, 49896128), (592, 35230712), (608, 34303588), (703, 29667968), (704, 29625826), (722, 28887232), (814, 25622336), (836, 24948064), (1109, 18806656), (1184, 17615356), (1216, 17151794), (1406, 14833984), (1408, 14812913), (1444, 14443616), (1628, 12811168), (1672, 12474032), (2218, 9403328), (2368, 8807678), (2432, 8575897), (2812, 7416992), (2888, 7221808), (3256, 6405584), (3344, 6237016), (3971, 5252224), (4436, 4701664), (4736, 4403839), (5624, 3708496), (5776, 3610904), (6512, 3202792), (6688, 3118508), (7733, 2697088), (7942, 2626112), (8872, 2350832), (11248, 1854248), (11552, 1805452), (12199, 1709696), (13024, 1601396), (13357, 1561472), (13376, 1559254), (15466, 1348544), (15884, 1313056), (17744, 1175416), (21071, 989824), (22496, 927124), (23104, 902726), (24398, 854848), (26048, 800698), (26714, 780736), (26752, 779627), (30932, 674272), (31768, 656528), (35488, 587708), (41033, 508288), (42142, 494912), (44992, 463562), (46208, 451363), (48796, 427424), (52096, 400349), (53428, 390368), (61864, 337136), (63536, 328264), (70976, 293854), (82066, 254144), (84284, 247456), (89984, 231781), (97592, 213712), (106856, 195184), (123728, 168568), (127072, 164132), (141952, 146927)]