20226868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4363}}^1$

素因数の和:4447

約数の個数: 24

約数和(自身を含む): 37879520

約数和(自身を除く): 17652652

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4363, 4636, 8726, 17452, 82897, 165794, 266143, 331588, 532286, 1064572, 5056717, 10113434, 20226868]

約数ペア:

[(1, 20226868), (2, 10113434), (4, 5056717), (19, 1064572), (38, 532286), (61, 331588), (76, 266143), (122, 165794), (244, 82897), (1159, 17452), (2318, 8726), (4363, 4636)]