20010872

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11527}}^1$

素因数の和:11571

約数の個数: 32

約数和(自身を含む): 44267520

約数和(自身を除く): 24256648

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11527, 23054, 46108, 80689, 92216, 161378, 322756, 357337, 645512, 714674, 1429348, 2501359, 2858696, 5002718, 10005436, 20010872]

約数ペア:

[(1, 20010872), (2, 10005436), (4, 5002718), (7, 2858696), (8, 2501359), (14, 1429348), (28, 714674), (31, 645512), (56, 357337), (62, 322756), (124, 161378), (217, 92216), (248, 80689), (434, 46108), (868, 23054), (1736, 11527)]