20007640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29423}}^1$

素因数の和:29451

約数の個数: 32

約数和(自身を含む): 47666880

約数和(自身を除く): 27659240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29423, 58846, 117692, 147115, 235384, 294230, 500191, 588460, 1000382, 1176920, 2000764, 2500955, 4001528, 5001910, 10003820, 20007640]

約数ペア:

[(1, 20007640), (2, 10003820), (4, 5001910), (5, 4001528), (8, 2500955), (10, 2000764), (17, 1176920), (20, 1000382), (34, 588460), (40, 500191), (68, 294230), (85, 235384), (136, 147115), (170, 117692), (340, 58846), (680, 29423)]