20179943240

素因数分解:

$2^3\times 5^1\times {\mathrm{863}}^1\times {\mathrm{584587}}^1$

素因数の和:585461

約数の個数: 32

約数和(自身を含む): 45457562880

約数和(自身を除く): 25277619640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 863, 1726, 3452, 4315, 6904, 8630, 17260, 34520, 584587, 1169174, 2338348, 2922935, 4676696, 5845870, 11691740, 23383480, 504498581, 1008997162, 2017994324, 2522492905, 4035988648, 5044985810, 10089971620, 20179943240]

約数ペア:

[(1, 20179943240), (2, 10089971620), (4, 5044985810), (5, 4035988648), (8, 2522492905), (10, 2017994324), (20, 1008997162), (40, 504498581), (863, 23383480), (1726, 11691740), (3452, 5845870), (4315, 4676696), (6904, 2922935), (8630, 2338348), (17260, 1169174), (34520, 584587)]