20358304

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 21554336

約数列:

[1, 2, 4, 8, 16, 32, 41, 59, 82, 118, 164, 236, 263, 328, 472, 526, 656, 944, 1052, 1312, 1888, 2104, 2419, 4208, 4838, 8416, 9676, 10783, 15517, 19352, 21566, 31034, 38704, 43132, 62068, 77408, 86264, 124136, 172528, 248272, 345056, 496544, 636197, 1272394, 2544788, 5089576, 10179152, 20358304]

約数ペア:

[(1, 20358304), (2, 10179152), (4, 5089576), (8, 2544788), (16, 1272394), (32, 636197), (41, 496544), (59, 345056), (82, 248272), (118, 172528), (164, 124136), (236, 86264), (263, 77408), (328, 62068), (472, 43132), (526, 38704), (656, 31034), (944, 21566), (1052, 19352), (1312, 15517), (1888, 10783), (2104, 9676), (2419, 8416), (4208, 4838)]