20803806

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{18947}}^1$

素因数の和:19016

約数の個数: 24

約数和(自身を含む): 45816264

約数和(自身を除く): 25012458

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 18947, 37894, 56841, 113682, 170523, 341046, 1155767, 2311534, 3467301, 6934602, 10401903, 20803806]

約数ペア:

[(1, 20803806), (2, 10401903), (3, 6934602), (6, 3467301), (9, 2311534), (18, 1155767), (61, 341046), (122, 170523), (183, 113682), (366, 56841), (549, 37894), (1098, 18947)]