20415056

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17971}}^1$

素因数の和:18050

約数の個数: 20

約数和(自身を含む): 40113504

約数和(自身を除く): 19698448

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17971, 35942, 71884, 143768, 287536, 1275941, 2551882, 5103764, 10207528, 20415056]

約数ペア:

[(1, 20415056), (2, 10207528), (4, 5103764), (8, 2551882), (16, 1275941), (71, 287536), (142, 143768), (284, 71884), (568, 35942), (1136, 17971)]