20212568210

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1\times {\mathrm{20479}}^1$

素因数の和:21146

約数の個数: 32

約数和(自身を含む): 36628070400

約数和(自身を除く): 16415502190

約数列:

[1, 2, 5, 10, 229, 431, 458, 862, 1145, 2155, 2290, 4310, 20479, 40958, 98699, 102395, 197398, 204790, 493495, 986990, 4689691, 8826449, 9379382, 17652898, 23448455, 44132245, 46896910, 88264490, 2021256821, 4042513642, 10106284105, 20212568210]

約数ペア:

[(1, 20212568210), (2, 10106284105), (5, 4042513642), (10, 2021256821), (229, 88264490), (431, 46896910), (458, 44132245), (862, 23448455), (1145, 17652898), (2155, 9379382), (2290, 8826449), (4310, 4689691), (20479, 986990), (40958, 493495), (98699, 204790), (102395, 197398)]