20722572

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44279}}^1$

素因数の和:44302

約数の個数: 36

約数和(自身を含む): 56412720

約数和(自身を除く): 35690148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44279, 88558, 132837, 177116, 265674, 398511, 531348, 575627, 797022, 1151254, 1594044, 1726881, 2302508, 3453762, 5180643, 6907524, 10361286, 20722572]

約数ペア:

[(1, 20722572), (2, 10361286), (3, 6907524), (4, 5180643), (6, 3453762), (9, 2302508), (12, 1726881), (13, 1594044), (18, 1151254), (26, 797022), (36, 575627), (39, 531348), (52, 398511), (78, 265674), (117, 177116), (156, 132837), (234, 88558), (468, 44279)]