20259424

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 41713056

約数和(自身を除く): 21453632

約数列:

[1, 2, 4, 8, 16, 32, 37, 71, 74, 142, 148, 241, 284, 296, 482, 568, 592, 964, 1136, 1184, 1928, 2272, 2627, 3856, 5254, 7712, 8917, 10508, 17111, 17834, 21016, 34222, 35668, 42032, 68444, 71336, 84064, 136888, 142672, 273776, 285344, 547552, 633107, 1266214, 2532428, 5064856, 10129712, 20259424]

約数ペア:

[(1, 20259424), (2, 10129712), (4, 5064856), (8, 2532428), (16, 1266214), (32, 633107), (37, 547552), (71, 285344), (74, 273776), (142, 142672), (148, 136888), (241, 84064), (284, 71336), (296, 68444), (482, 42032), (568, 35668), (592, 34222), (964, 21016), (1136, 17834), (1184, 17111), (1928, 10508), (2272, 8917), (2627, 7712), (3856, 5254)]