20006308

素因数分解:

$2^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{991}}^1$

素因数の和:1112

約数の個数: 36

約数和(自身を含む): 41164032

約数和(自身を除く): 21157724

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 412, 721, 991, 1442, 1982, 2884, 3964, 5047, 6937, 10094, 13874, 20188, 27748, 48559, 97118, 102073, 194236, 204146, 408292, 714511, 1429022, 2858044, 5001577, 10003154, 20006308]

約数ペア:

[(1, 20006308), (2, 10003154), (4, 5001577), (7, 2858044), (14, 1429022), (28, 714511), (49, 408292), (98, 204146), (103, 194236), (196, 102073), (206, 97118), (412, 48559), (721, 27748), (991, 20188), (1442, 13874), (1982, 10094), (2884, 6937), (3964, 5047)]