20951830

素因数分解:

$2^1\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{1487}}^1$

素因数の和:2903

約数の個数: 16

約数和(自身を含む): 37765440

約数和(自身を除く): 16813610

約数列:

[1, 2, 5, 10, 1409, 1487, 2818, 2974, 7045, 7435, 14090, 14870, 2095183, 4190366, 10475915, 20951830]

約数ペア:

[(1, 20951830), (2, 10475915), (5, 4190366), (10, 2095183), (1409, 14870), (1487, 14090), (2818, 7435), (2974, 7045)]