20839301120

素因数分解:

$2^{15}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:450

約数の個数: 256

約数和(自身を含む): 56471247360

約数和(自身を除く): 35631946240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 373, 440, 496, 512, 620, 640, 682, 704, 746, 880, 992, 1024, 1240, 1280, 1364, 1408, 1492, 1705, 1760, 1865, 1984, 2048, 2480, 2560, 2728, 2816, 2984, 3410, 3520, 3730, 3968, 4096, 4103, 4960, 5120, 5456, 5632, 5968, 6820, 7040, 7460, 7936, 8192, 8206, 9920, 10240, 10912, 11264, 11563, 11936, 13640, 14080, 14920, 15872, 16384, 16412, 19840, 20480, 20515, 21824, 22528, 23126, 23872, 27280, 28160, 29840, 31744, 32768, 32824, 39680, 40960, 41030, 43648, 45056, 46252, 47744, 54560, 56320, 57815, 59680, 63488, 65648, 79360, 81920, 82060, 87296, 90112, 92504, 95488, 109120, 112640, 115630, 119360, 126976, 127193, 131296, 158720, 163840, 164120, 174592, 180224, 185008, 190976, 218240, 225280, 231260, 238720, 253952, 254386, 262592, 317440, 328240, 349184, 360448, 370016, 381952, 436480, 450560, 462520, 477440, 507904, 508772, 525184, 634880, 635965, 656480, 698368, 740032, 763904, 872960, 901120, 925040, 954880, 1015808, 1017544, 1050368, 1269760, 1271930, 1312960, 1396736, 1480064, 1527808, 1745920, 1802240, 1850080, 1909760, 2035088, 2100736, 2539520, 2543860, 2625920, 2793472, 2960128, 3055616, 3491840, 3700160, 3819520, 4070176, 4201472, 5079040, 5087720, 5251840, 5586944, 5920256, 6111232, 6983680, 7400320, 7639040, 8140352, 8402944, 10175440, 10503680, 11173888, 11840512, 12222464, 13967360, 14800640, 15278080, 16280704, 16805888, 20350880, 21007360, 23681024, 27934720, 29601280, 30556160, 32561408, 33611776, 40701760, 42014720, 47362048, 55869440, 59202560, 61112320, 65122816, 67223552, 81403520, 84029440, 94724096, 118405120, 130245632, 134447104, 162807040, 168058880, 189448192, 236810240, 260491264, 325614080, 336117760, 378896384, 473620480, 520982528, 651228160, 672235520, 947240960, 1041965056, 1302456320, 1894481920, 2083930112, 2604912640, 4167860224, 5209825280, 10419650560, 20839301120]

約数ペア:

[(1, 20839301120), (2, 10419650560), (4, 5209825280), (5, 4167860224), (8, 2604912640), (10, 2083930112), (11, 1894481920), (16, 1302456320), (20, 1041965056), (22, 947240960), (31, 672235520), (32, 651228160), (40, 520982528), (44, 473620480), (55, 378896384), (62, 336117760), (64, 325614080), (80, 260491264), (88, 236810240), (110, 189448192), (124, 168058880), (128, 162807040), (155, 134447104), (160, 130245632), (176, 118405120), (220, 94724096), (248, 84029440), (256, 81403520), (310, 67223552), (320, 65122816), (341, 61112320), (352, 59202560), (373, 55869440), (440, 47362048), (496, 42014720), (512, 40701760), (620, 33611776), (640, 32561408), (682, 30556160), (704, 29601280), (746, 27934720), (880, 23681024), (992, 21007360), (1024, 20350880), (1240, 16805888), (1280, 16280704), (1364, 15278080), (1408, 14800640), (1492, 13967360), (1705, 12222464), (1760, 11840512), (1865, 11173888), (1984, 10503680), (2048, 10175440), (2480, 8402944), (2560, 8140352), (2728, 7639040), (2816, 7400320), (2984, 6983680), (3410, 6111232), (3520, 5920256), (3730, 5586944), (3968, 5251840), (4096, 5087720), (4103, 5079040), (4960, 4201472), (5120, 4070176), (5456, 3819520), (5632, 3700160), (5968, 3491840), (6820, 3055616), (7040, 2960128), (7460, 2793472), (7936, 2625920), (8192, 2543860), (8206, 2539520), (9920, 2100736), (10240, 2035088), (10912, 1909760), (11264, 1850080), (11563, 1802240), (11936, 1745920), (13640, 1527808), (14080, 1480064), (14920, 1396736), (15872, 1312960), (16384, 1271930), (16412, 1269760), (19840, 1050368), (20480, 1017544), (20515, 1015808), (21824, 954880), (22528, 925040), (23126, 901120), (23872, 872960), (27280, 763904), (28160, 740032), (29840, 698368), (31744, 656480), (32768, 635965), (32824, 634880), (39680, 525184), (40960, 508772), (41030, 507904), (43648, 477440), (45056, 462520), (46252, 450560), (47744, 436480), (54560, 381952), (56320, 370016), (57815, 360448), (59680, 349184), (63488, 328240), (65648, 317440), (79360, 262592), (81920, 254386), (82060, 253952), (87296, 238720), (90112, 231260), (92504, 225280), (95488, 218240), (109120, 190976), (112640, 185008), (115630, 180224), (119360, 174592), (126976, 164120), (127193, 163840), (131296, 158720)]