2020993490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{75721}}^1$

素因数の和:75902

約数の個数: 32

約数和(自身を含む): 3876360624

約数和(自身を除く): 1855367134

約数列:

[1, 2, 5, 10, 17, 34, 85, 157, 170, 314, 785, 1570, 2669, 5338, 13345, 26690, 75721, 151442, 378605, 757210, 1287257, 2574514, 6436285, 11888197, 12872570, 23776394, 59440985, 118881970, 202099349, 404198698, 1010496745, 2020993490]

約数ペア:

[(1, 2020993490), (2, 1010496745), (5, 404198698), (10, 202099349), (17, 118881970), (34, 59440985), (85, 23776394), (157, 12872570), (170, 11888197), (314, 6436285), (785, 2574514), (1570, 1287257), (2669, 757210), (5338, 378605), (13345, 151442), (26690, 75721)]