20565612

素因数分解:

$2^2\times 3^2\times {\mathrm{571267}}^1$

素因数の和:571277

約数の個数: 18

約数和(自身を含む): 51985388

約数和(自身を除く): 31419776

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 571267, 1142534, 1713801, 2285068, 3427602, 5141403, 6855204, 10282806, 20565612]

約数ペア:

[(1, 20565612), (2, 10282806), (3, 6855204), (4, 5141403), (6, 3427602), (9, 2285068), (12, 1713801), (18, 1142534), (36, 571267)]