20819772

素因数分解:

$2^2\times 3^2\times {\mathrm{578327}}^1$

素因数の和:578337

約数の個数: 18

約数和(自身を含む): 52627848

約数和(自身を除く): 31808076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 578327, 1156654, 1734981, 2313308, 3469962, 5204943, 6939924, 10409886, 20819772]

約数ペア:

[(1, 20819772), (2, 10409886), (3, 6939924), (4, 5204943), (6, 3469962), (9, 2313308), (12, 1734981), (18, 1156654), (36, 578327)]