20877168

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33457}}^1$

素因数の和:33481

約数の個数: 40

約数和(自身を含む): 58083088

約数和(自身を除く): 37205920

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33457, 66914, 100371, 133828, 200742, 267656, 401484, 434941, 535312, 802968, 869882, 1304823, 1605936, 1739764, 2609646, 3479528, 5219292, 6959056, 10438584, 20877168]

約数ペア:

[(1, 20877168), (2, 10438584), (3, 6959056), (4, 5219292), (6, 3479528), (8, 2609646), (12, 1739764), (13, 1605936), (16, 1304823), (24, 869882), (26, 802968), (39, 535312), (48, 434941), (52, 401484), (78, 267656), (104, 200742), (156, 133828), (208, 100371), (312, 66914), (624, 33457)]