20790848

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{24989}}^1$

素因数の和:25014

約数の個数: 28

約数和(自身を含む): 44432220

約数和(自身を除く): 23641372

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 24989, 49978, 99956, 199912, 324857, 399824, 649714, 799648, 1299428, 1599296, 2598856, 5197712, 10395424, 20790848]

約数ペア:

[(1, 20790848), (2, 10395424), (4, 5197712), (8, 2598856), (13, 1599296), (16, 1299428), (26, 799648), (32, 649714), (52, 399824), (64, 324857), (104, 199912), (208, 99956), (416, 49978), (832, 24989)]