20747029251

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{43867}}^1$

素因数の和:44131

約数の個数: 32

約数和(自身を含む): 30402980608

約数和(自身を除く): 9655951357

約数列:

[1, 3, 13, 39, 67, 181, 201, 543, 871, 2353, 2613, 7059, 12127, 36381, 43867, 131601, 157651, 472953, 570271, 1710813, 2939089, 7939927, 8817267, 23819781, 38208157, 103219051, 114624471, 309657153, 531975109, 1595925327, 6915676417, 20747029251]

約数ペア:

[(1, 20747029251), (3, 6915676417), (13, 1595925327), (39, 531975109), (67, 309657153), (181, 114624471), (201, 103219051), (543, 38208157), (871, 23819781), (2353, 8817267), (2613, 7939927), (7059, 2939089), (12127, 1710813), (36381, 570271), (43867, 472953), (131601, 157651)]