20928906

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37507}}^1$

素因数の和:37546

約数の個数: 24

約数和(自身を含む): 46809984

約数和(自身を除く): 25881078

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 37507, 75014, 112521, 225042, 337563, 675126, 1162717, 2325434, 3488151, 6976302, 10464453, 20928906]

約数ペア:

[(1, 20928906), (2, 10464453), (3, 6976302), (6, 3488151), (9, 2325434), (18, 1162717), (31, 675126), (62, 337563), (93, 225042), (186, 112521), (279, 75014), (558, 37507)]