20263376

素因数分解:

$2^4\times 7^1\times {\mathrm{239}}^1\times {\mathrm{757}}^1$

素因数の和:1011

約数の個数: 40

約数和(自身を含む): 45116160

約数和(自身を除く): 24852784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 239, 478, 757, 956, 1514, 1673, 1912, 3028, 3346, 3824, 5299, 6056, 6692, 10598, 12112, 13384, 21196, 26768, 42392, 84784, 180923, 361846, 723692, 1266461, 1447384, 2532922, 2894768, 5065844, 10131688, 20263376]

約数ペア:

[(1, 20263376), (2, 10131688), (4, 5065844), (7, 2894768), (8, 2532922), (14, 1447384), (16, 1266461), (28, 723692), (56, 361846), (112, 180923), (239, 84784), (478, 42392), (757, 26768), (956, 21196), (1514, 13384), (1673, 12112), (1912, 10598), (3028, 6692), (3346, 6056), (3824, 5299)]