20023885

素因数分解:

$5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{3307}}^1$

素因数の和:3492

約数の個数: 16

約数和(自身を含む): 27628416

約数和(自身を除く): 7604531

約数列:

[1, 5, 7, 35, 173, 865, 1211, 3307, 6055, 16535, 23149, 115745, 572111, 2860555, 4004777, 20023885]

約数ペア:

[(1, 20023885), (5, 4004777), (7, 2860555), (35, 572111), (173, 115745), (865, 23149), (1211, 16535), (3307, 6055)]