20163348320

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1\times {\mathrm{5297}}^1$

素因数の和:5992

約数の個数: 96

約数和(自身を含む): 49008703968

約数和(自身を除く): 28845355648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 643, 740, 1184, 1286, 1480, 2572, 2960, 3215, 5144, 5297, 5920, 6430, 10288, 10594, 12860, 20576, 21188, 23791, 25720, 26485, 42376, 47582, 51440, 52970, 84752, 95164, 102880, 105940, 118955, 169504, 190328, 195989, 211880, 237910, 380656, 391978, 423760, 475820, 761312, 783956, 847520, 951640, 979945, 1567912, 1903280, 1959890, 3135824, 3405971, 3806560, 3919780, 6271648, 6811942, 7839560, 13623884, 15679120, 17029855, 27247768, 31358240, 34059710, 54495536, 68119420, 108991072, 126020927, 136238840, 252041854, 272477680, 504083708, 544955360, 630104635, 1008167416, 1260209270, 2016334832, 2520418540, 4032669664, 5040837080, 10081674160, 20163348320]

約数ペア:

[(1, 20163348320), (2, 10081674160), (4, 5040837080), (5, 4032669664), (8, 2520418540), (10, 2016334832), (16, 1260209270), (20, 1008167416), (32, 630104635), (37, 544955360), (40, 504083708), (74, 272477680), (80, 252041854), (148, 136238840), (160, 126020927), (185, 108991072), (296, 68119420), (370, 54495536), (592, 34059710), (643, 31358240), (740, 27247768), (1184, 17029855), (1286, 15679120), (1480, 13623884), (2572, 7839560), (2960, 6811942), (3215, 6271648), (5144, 3919780), (5297, 3806560), (5920, 3405971), (6430, 3135824), (10288, 1959890), (10594, 1903280), (12860, 1567912), (20576, 979945), (21188, 951640), (23791, 847520), (25720, 783956), (26485, 761312), (42376, 475820), (47582, 423760), (51440, 391978), (52970, 380656), (84752, 237910), (95164, 211880), (102880, 195989), (105940, 190328), (118955, 169504)]