20328710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70099}}^1$

素因数の和:70135

約数の個数: 16

約数和(自身を含む): 37854000

約数和(自身を除く): 17525290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70099, 140198, 350495, 700990, 2032871, 4065742, 10164355, 20328710]

約数ペア:

[(1, 20328710), (2, 10164355), (5, 4065742), (10, 2032871), (29, 700990), (58, 350495), (145, 140198), (290, 70099)]