20950064

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:477

約数の個数: 40

約数和(自身を含む): 42400560

約数和(自身を除く): 21450496

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 163, 232, 277, 326, 464, 554, 652, 1108, 1304, 2216, 2608, 4432, 4727, 8033, 9454, 16066, 18908, 32132, 37816, 45151, 64264, 75632, 90302, 128528, 180604, 361208, 722416, 1309379, 2618758, 5237516, 10475032, 20950064]

約数ペア:

[(1, 20950064), (2, 10475032), (4, 5237516), (8, 2618758), (16, 1309379), (29, 722416), (58, 361208), (116, 180604), (163, 128528), (232, 90302), (277, 75632), (326, 64264), (464, 45151), (554, 37816), (652, 32132), (1108, 18908), (1304, 16066), (2216, 9454), (2608, 8033), (4432, 4727)]