20014900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2819}}^1$

素因数の和:2904

約数の個数: 36

約数和(自身を含む): 44059680

約数和(自身を除く): 24044780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 2819, 3550, 5638, 7100, 11276, 14095, 28190, 56380, 70475, 140950, 200149, 281900, 400298, 800596, 1000745, 2001490, 4002980, 5003725, 10007450, 20014900]

約数ペア:

[(1, 20014900), (2, 10007450), (4, 5003725), (5, 4002980), (10, 2001490), (20, 1000745), (25, 800596), (50, 400298), (71, 281900), (100, 200149), (142, 140950), (284, 70475), (355, 56380), (710, 28190), (1420, 14095), (1775, 11276), (2819, 7100), (3550, 5638)]