20524868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 44688000

約数和(自身を除く): 24163132

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 113, 182, 226, 364, 452, 499, 791, 998, 1469, 1582, 1996, 2938, 3164, 3493, 5876, 6487, 6986, 10283, 12974, 13972, 20566, 25948, 41132, 45409, 56387, 90818, 112774, 181636, 225548, 394709, 733031, 789418, 1466062, 1578836, 2932124, 5131217, 10262434, 20524868]

約数ペア:

[(1, 20524868), (2, 10262434), (4, 5131217), (7, 2932124), (13, 1578836), (14, 1466062), (26, 789418), (28, 733031), (52, 394709), (91, 225548), (113, 181636), (182, 112774), (226, 90818), (364, 56387), (452, 45409), (499, 41132), (791, 25948), (998, 20566), (1469, 13972), (1582, 12974), (1996, 10283), (2938, 6986), (3164, 6487), (3493, 5876)]