20989062

素因数分解:

$2^1\times 3^2\times {\mathrm{409}}^1\times {\mathrm{2851}}^1$

素因数の和:3268

約数の個数: 24

約数和(自身を含む): 45603480

約数和(自身を除く): 24614418

約数列:

[1, 2, 3, 6, 9, 18, 409, 818, 1227, 2454, 2851, 3681, 5702, 7362, 8553, 17106, 25659, 51318, 1166059, 2332118, 3498177, 6996354, 10494531, 20989062]

約数ペア:

[(1, 20989062), (2, 10494531), (3, 6996354), (6, 3498177), (9, 2332118), (18, 1166059), (409, 51318), (818, 25659), (1227, 17106), (2454, 8553), (2851, 7362), (3681, 5702)]