20794986

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 26379414

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 83, 93, 166, 186, 249, 279, 449, 498, 558, 747, 898, 1347, 1494, 2573, 2694, 4041, 5146, 7719, 8082, 13919, 15438, 23157, 27838, 37267, 41757, 46314, 74534, 83514, 111801, 125271, 223602, 250542, 335403, 670806, 1155277, 2310554, 3465831, 6931662, 10397493, 20794986]

約数ペア:

[(1, 20794986), (2, 10397493), (3, 6931662), (6, 3465831), (9, 2310554), (18, 1155277), (31, 670806), (62, 335403), (83, 250542), (93, 223602), (166, 125271), (186, 111801), (249, 83514), (279, 74534), (449, 46314), (498, 41757), (558, 37267), (747, 27838), (898, 23157), (1347, 15438), (1494, 13919), (2573, 8082), (2694, 7719), (4041, 5146)]