20218788

素因数分解:

$2^2\times 3^3\times {\mathrm{187211}}^1$

素因数の和:187224

約数の個数: 24

約数和(自身を含む): 52419360

約数和(自身を除く): 32200572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 187211, 374422, 561633, 748844, 1123266, 1684899, 2246532, 3369798, 5054697, 6739596, 10109394, 20218788]

約数ペア:

[(1, 20218788), (2, 10109394), (3, 6739596), (4, 5054697), (6, 3369798), (9, 2246532), (12, 1684899), (18, 1123266), (27, 748844), (36, 561633), (54, 374422), (108, 187211)]