20967544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{201611}}^1$

素因数の和:201630

約数の個数: 16

約数和(自身を含む): 42338520

約数和(自身を除く): 21370976

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 201611, 403222, 806444, 1612888, 2620943, 5241886, 10483772, 20967544]

約数ペア:

[(1, 20967544), (2, 10483772), (4, 5241886), (8, 2620943), (13, 1612888), (26, 806444), (52, 403222), (104, 201611)]