20457752

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3617}}^1$

素因数の和:3731

約数の個数: 32

約数和(自身を含む): 44284320

約数和(自身を除く): 23826568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 707, 808, 1414, 2828, 3617, 5656, 7234, 14468, 25319, 28936, 50638, 101276, 202552, 365317, 730634, 1461268, 2557219, 2922536, 5114438, 10228876, 20457752]

約数ペア:

[(1, 20457752), (2, 10228876), (4, 5114438), (7, 2922536), (8, 2557219), (14, 1461268), (28, 730634), (56, 365317), (101, 202552), (202, 101276), (404, 50638), (707, 28936), (808, 25319), (1414, 14468), (2828, 7234), (3617, 5656)]