20007828

素因数分解:

$2^2\times 3^2\times {\mathrm{647}}^1\times {\mathrm{859}}^1$

素因数の和:1516

約数の個数: 36

約数和(自身を含む): 50712480

約数和(自身を除く): 30704652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 647, 859, 1294, 1718, 1941, 2577, 2588, 3436, 3882, 5154, 5823, 7731, 7764, 10308, 11646, 15462, 23292, 30924, 555773, 1111546, 1667319, 2223092, 3334638, 5001957, 6669276, 10003914, 20007828]

約数ペア:

[(1, 20007828), (2, 10003914), (3, 6669276), (4, 5001957), (6, 3334638), (9, 2223092), (12, 1667319), (18, 1111546), (36, 555773), (647, 30924), (859, 23292), (1294, 15462), (1718, 11646), (1941, 10308), (2577, 7764), (2588, 7731), (3436, 5823), (3882, 5154)]