20959318

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 34467840

約数和(自身を除く): 13508522

約数列:

[1, 2, 19, 38, 43, 86, 101, 127, 202, 254, 817, 1634, 1919, 2413, 3838, 4343, 4826, 5461, 8686, 10922, 12827, 25654, 82517, 103759, 165034, 207518, 243713, 487426, 551561, 1103122, 10479659, 20959318]

約数ペア:

[(1, 20959318), (2, 10479659), (19, 1103122), (38, 551561), (43, 487426), (86, 243713), (101, 207518), (127, 165034), (202, 103759), (254, 82517), (817, 25654), (1634, 12827), (1919, 10922), (2413, 8686), (3838, 5461), (4343, 4826)]