20018614

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2131}}^1$

素因数の和:2212

約数の個数: 32

約数和(自身を含む): 38068992

約数和(自身を除く): 18050378

約数列:

[1, 2, 7, 11, 14, 22, 61, 77, 122, 154, 427, 671, 854, 1342, 2131, 4262, 4697, 9394, 14917, 23441, 29834, 46882, 129991, 164087, 259982, 328174, 909937, 1429901, 1819874, 2859802, 10009307, 20018614]

約数ペア:

[(1, 20018614), (2, 10009307), (7, 2859802), (11, 1819874), (14, 1429901), (22, 909937), (61, 328174), (77, 259982), (122, 164087), (154, 129991), (427, 46882), (671, 29834), (854, 23441), (1342, 14917), (2131, 9394), (4262, 4697)]