20879802

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{12473}}^1$

素因数の和:12515

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 27020358

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 12473, 24946, 37419, 74838, 112257, 224514, 336771, 386663, 673542, 773326, 1159989, 2319978, 3479967, 6959934, 10439901, 20879802]

約数ペア:

[(1, 20879802), (2, 10439901), (3, 6959934), (6, 3479967), (9, 2319978), (18, 1159989), (27, 773326), (31, 673542), (54, 386663), (62, 336771), (93, 224514), (186, 112257), (279, 74838), (558, 37419), (837, 24946), (1674, 12473)]