20081235724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{719}}^1\times {\mathrm{634759}}^1$

素因数の和:635493

約数の個数: 24

約数和(自身を含む): 38390284800

約数和(自身を除く): 18309049076

約数列:

[1, 2, 4, 11, 22, 44, 719, 1438, 2876, 7909, 15818, 31636, 634759, 1269518, 2539036, 6982349, 13964698, 27929396, 456391721, 912783442, 1825566884, 5020308931, 10040617862, 20081235724]

約数ペア:

[(1, 20081235724), (2, 10040617862), (4, 5020308931), (11, 1825566884), (22, 912783442), (44, 456391721), (719, 27929396), (1438, 13964698), (2876, 6982349), (7909, 2539036), (15818, 1269518), (31636, 634759)]