20184342020

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2341571}}^1$

素因数の和:2342011

約数の個数: 24

約数和(自身を含む): 42485482368

約数和(自身を除く): 22301140348

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 2341571, 4683142, 9366284, 11707855, 23415710, 46831420, 1009217101, 2018434202, 4036868404, 5046085505, 10092171010, 20184342020]

約数ペア:

[(1, 20184342020), (2, 10092171010), (4, 5046085505), (5, 4036868404), (10, 2018434202), (20, 1009217101), (431, 46831420), (862, 23415710), (1724, 11707855), (2155, 9366284), (4310, 4683142), (8620, 2341571)]