20499206

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{691}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 38131968

約数和(自身を除く): 17632762

約数列:

[1, 2, 7, 13, 14, 26, 91, 163, 182, 326, 691, 1141, 1382, 2119, 2282, 4238, 4837, 8983, 9674, 14833, 17966, 29666, 62881, 112633, 125762, 225266, 788431, 1464229, 1576862, 2928458, 10249603, 20499206]

約数ペア:

[(1, 20499206), (2, 10249603), (7, 2928458), (13, 1576862), (14, 1464229), (26, 788431), (91, 225266), (163, 125762), (182, 112633), (326, 62881), (691, 29666), (1141, 17966), (1382, 14833), (2119, 9674), (2282, 8983), (4238, 4837)]