20576940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{342949}}^1$

素因数の和:342961

約数の個数: 24

約数和(自身を含む): 57615600

約数和(自身を除く): 37038660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 342949, 685898, 1028847, 1371796, 1714745, 2057694, 3429490, 4115388, 5144235, 6858980, 10288470, 20576940]

約数ペア:

[(1, 20576940), (2, 10288470), (3, 6858980), (4, 5144235), (5, 4115388), (6, 3429490), (10, 2057694), (12, 1714745), (15, 1371796), (20, 1028847), (30, 685898), (60, 342949)]