20068280

素因数分解:

$2^3\times 5^1\times {\mathrm{501707}}^1$

素因数の和:501718

約数の個数: 16

約数和(自身を含む): 45153720

約数和(自身を除く): 25085440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 501707, 1003414, 2006828, 2508535, 4013656, 5017070, 10034140, 20068280]

約数ペア:

[(1, 20068280), (2, 10034140), (4, 5017070), (5, 4013656), (8, 2508535), (10, 2006828), (20, 1003414), (40, 501707)]