20213962804

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31388141}}^1$

素因数の和:31388175

約数の個数: 24

約数和(自身を含む): 42185662848

約数和(自身を除く): 21971700044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 31388141, 62776282, 125552564, 219716987, 439433974, 721927243, 878867948, 1443854486, 2887708972, 5053490701, 10106981402, 20213962804]

約数ペア:

[(1, 20213962804), (2, 10106981402), (4, 5053490701), (7, 2887708972), (14, 1443854486), (23, 878867948), (28, 721927243), (46, 439433974), (92, 219716987), (161, 125552564), (322, 62776282), (644, 31388141)]