22790540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3943}}^1$

素因数の和:3986

約数の個数: 36

約数和(自身を含む): 50853936

約数和(自身を除く): 28063396

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 3943, 5780, 7886, 15772, 19715, 39430, 67031, 78860, 134062, 268124, 335155, 670310, 1139527, 1340620, 2279054, 4558108, 5697635, 11395270, 22790540]

約数ペア:

[(1, 22790540), (2, 11395270), (4, 5697635), (5, 4558108), (10, 2279054), (17, 1340620), (20, 1139527), (34, 670310), (68, 335155), (85, 268124), (170, 134062), (289, 78860), (340, 67031), (578, 39430), (1156, 19715), (1445, 15772), (2890, 7886), (3943, 5780)]