20850910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67261}}^1$

素因数の和:67299

約数の個数: 16

約数和(自身を含む): 38742912

約数和(自身を除く): 17892002

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 67261, 134522, 336305, 672610, 2085091, 4170182, 10425455, 20850910]

約数ペア:

[(1, 20850910), (2, 10425455), (5, 4170182), (10, 2085091), (31, 672610), (62, 336305), (155, 134522), (310, 67261)]