20851848

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4079}}^1$

素因数の和:4162

約数の個数: 48

約数和(自身を含む): 57283200

約数和(自身を除く): 36431352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 4079, 5112, 8158, 12237, 16316, 24474, 32632, 36711, 48948, 73422, 97896, 146844, 289609, 293688, 579218, 868827, 1158436, 1737654, 2316872, 2606481, 3475308, 5212962, 6950616, 10425924, 20851848]

約数ペア:

[(1, 20851848), (2, 10425924), (3, 6950616), (4, 5212962), (6, 3475308), (8, 2606481), (9, 2316872), (12, 1737654), (18, 1158436), (24, 868827), (36, 579218), (71, 293688), (72, 289609), (142, 146844), (213, 97896), (284, 73422), (426, 48948), (568, 36711), (639, 32632), (852, 24474), (1278, 16316), (1704, 12237), (2556, 8158), (4079, 5112)]