20217293806

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{1979}}^1\times {\mathrm{83737}}^1$

素因数の和:85779

約数の個数: 16

約数和(自身を含む): 30839030640

約数和(自身を除く): 10621736834

約数列:

[1, 2, 61, 122, 1979, 3958, 83737, 120719, 167474, 241438, 5107957, 10215914, 165715523, 331431046, 10108646903, 20217293806]

約数ペア:

[(1, 20217293806), (2, 10108646903), (61, 331431046), (122, 165715523), (1979, 10215914), (3958, 5107957), (83737, 241438), (120719, 167474)]