20105312

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 42094080

約数和(自身を除く): 21988768

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 59, 92, 118, 184, 236, 368, 463, 472, 736, 926, 944, 1357, 1852, 1888, 2714, 3704, 5428, 7408, 10649, 10856, 14816, 21298, 21712, 27317, 42596, 43424, 54634, 85192, 109268, 170384, 218536, 340768, 437072, 628291, 874144, 1256582, 2513164, 5026328, 10052656, 20105312]

約数ペア:

[(1, 20105312), (2, 10052656), (4, 5026328), (8, 2513164), (16, 1256582), (23, 874144), (32, 628291), (46, 437072), (59, 340768), (92, 218536), (118, 170384), (184, 109268), (236, 85192), (368, 54634), (463, 43424), (472, 42596), (736, 27317), (926, 21712), (944, 21298), (1357, 14816), (1852, 10856), (1888, 10649), (2714, 7408), (3704, 5428)]