20979234

素因数分解:

$2^1\times 3^2\times {\mathrm{617}}^1\times {\mathrm{1889}}^1$

素因数の和:2514

約数の個数: 24

約数和(自身を含む): 45552780

約数和(自身を除く): 24573546

約数列:

[1, 2, 3, 6, 9, 18, 617, 1234, 1851, 1889, 3702, 3778, 5553, 5667, 11106, 11334, 17001, 34002, 1165513, 2331026, 3496539, 6993078, 10489617, 20979234]

約数ペア:

[(1, 20979234), (2, 10489617), (3, 6993078), (6, 3496539), (9, 2331026), (18, 1165513), (617, 34002), (1234, 17001), (1851, 11334), (1889, 11106), (3702, 5667), (3778, 5553)]