20604865316

素因数分解:

$2^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1487}}^1\times {\mathrm{2591}}^1$

素因数の和:4280

約数の個数: 48

約数和(自身を含む): 41469345792

約数和(自身を除く): 20864480476

約数列:

[1, 2, 4, 7, 14, 28, 191, 382, 764, 1337, 1487, 2591, 2674, 2974, 5182, 5348, 5948, 10364, 10409, 18137, 20818, 36274, 41636, 72548, 284017, 494881, 568034, 989762, 1136068, 1979524, 1988119, 3464167, 3852817, 3976238, 6928334, 7705634, 7952476, 13856668, 15411268, 26969719, 53939438, 107878876, 735888047, 1471776094, 2943552188, 5151216329, 10302432658, 20604865316]

約数ペア:

[(1, 20604865316), (2, 10302432658), (4, 5151216329), (7, 2943552188), (14, 1471776094), (28, 735888047), (191, 107878876), (382, 53939438), (764, 26969719), (1337, 15411268), (1487, 13856668), (2591, 7952476), (2674, 7705634), (2974, 6928334), (5182, 3976238), (5348, 3852817), (5948, 3464167), (10364, 1988119), (10409, 1979524), (18137, 1136068), (20818, 989762), (36274, 568034), (41636, 494881), (72548, 284017)]