20512336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5801}}^1$

素因数の和:5839

約数の個数: 40

約数和(自身を含む): 45325224

約数和(自身を除く): 24812888

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5801, 11602, 23204, 46408, 75413, 92816, 98617, 150826, 197234, 301652, 394468, 603304, 788936, 1206608, 1282021, 1577872, 2564042, 5128084, 10256168, 20512336]

約数ペア:

[(1, 20512336), (2, 10256168), (4, 5128084), (8, 2564042), (13, 1577872), (16, 1282021), (17, 1206608), (26, 788936), (34, 603304), (52, 394468), (68, 301652), (104, 197234), (136, 150826), (208, 98617), (221, 92816), (272, 75413), (442, 46408), (884, 23204), (1768, 11602), (3536, 5801)]