20756672

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:333

約数の個数: 56

約数和(自身を含む): 43891200

約数和(自身を除く): 23134528

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 59, 64, 92, 118, 184, 236, 239, 368, 472, 478, 736, 944, 956, 1357, 1472, 1888, 1912, 2714, 3776, 3824, 5428, 5497, 7648, 10856, 10994, 14101, 15296, 21712, 21988, 28202, 43424, 43976, 56404, 86848, 87952, 112808, 175904, 225616, 324323, 351808, 451232, 648646, 902464, 1297292, 2594584, 5189168, 10378336, 20756672]

約数ペア:

[(1, 20756672), (2, 10378336), (4, 5189168), (8, 2594584), (16, 1297292), (23, 902464), (32, 648646), (46, 451232), (59, 351808), (64, 324323), (92, 225616), (118, 175904), (184, 112808), (236, 87952), (239, 86848), (368, 56404), (472, 43976), (478, 43424), (736, 28202), (944, 21988), (956, 21712), (1357, 15296), (1472, 14101), (1888, 10994), (1912, 10856), (2714, 7648), (3776, 5497), (3824, 5428)]