20625160

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{2213}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 46626840

約数和(自身を除く): 26001680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2213, 2330, 4426, 4660, 8852, 9320, 11065, 17704, 22130, 44260, 88520, 515629, 1031258, 2062516, 2578145, 4125032, 5156290, 10312580, 20625160]

約数ペア:

[(1, 20625160), (2, 10312580), (4, 5156290), (5, 4125032), (8, 2578145), (10, 2062516), (20, 1031258), (40, 515629), (233, 88520), (466, 44260), (932, 22130), (1165, 17704), (1864, 11065), (2213, 9320), (2330, 8852), (4426, 4660)]