20556684

素因数分解:

$2^2\times 3^2\times {\mathrm{571019}}^1$

素因数の和:571029

約数の個数: 18

約数和(自身を含む): 51962820

約数和(自身を除く): 31406136

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 571019, 1142038, 1713057, 2284076, 3426114, 5139171, 6852228, 10278342, 20556684]

約数ペア:

[(1, 20556684), (2, 10278342), (3, 6852228), (4, 5139171), (6, 3426114), (9, 2284076), (12, 1713057), (18, 1142038), (36, 571019)]