20943820

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17749}}^1$

素因数の和:17817

約数の個数: 24

約数和(自身を含む): 44730000

約数和(自身を除く): 23786180

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 17749, 35498, 70996, 88745, 177490, 354980, 1047191, 2094382, 4188764, 5235955, 10471910, 20943820]

約数ペア:

[(1, 20943820), (2, 10471910), (4, 5235955), (5, 4188764), (10, 2094382), (20, 1047191), (59, 354980), (118, 177490), (236, 88745), (295, 70996), (590, 35498), (1180, 17749)]