20561896552

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{62688709}}^1$

素因数の和:62688756

約数の個数: 16

約数和(自身を含む): 39493887300

約数和(自身を除く): 18931990748

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 62688709, 125377418, 250754836, 501509672, 2570237069, 5140474138, 10280948276, 20561896552]

約数ペア:

[(1, 20561896552), (2, 10280948276), (4, 5140474138), (8, 2570237069), (41, 501509672), (82, 250754836), (164, 125377418), (328, 62688709)]