20411620

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2357}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 42981624

約数和(自身を除く): 22570004

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 2357, 4330, 4714, 8660, 9428, 11785, 23570, 47140, 1020581, 2041162, 4082324, 5102905, 10205810, 20411620]

約数ペア:

[(1, 20411620), (2, 10205810), (4, 5102905), (5, 4082324), (10, 2041162), (20, 1020581), (433, 47140), (866, 23570), (1732, 11785), (2165, 9428), (2357, 8660), (4330, 4714)]