20330780

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1879}}^1$

素因数の和:2429

約数の個数: 24

約数和(自身を含む): 42796320

約数和(自身を除く): 22465540

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 1879, 2164, 2705, 3758, 5410, 7516, 9395, 10820, 18790, 37580, 1016539, 2033078, 4066156, 5082695, 10165390, 20330780]

約数ペア:

[(1, 20330780), (2, 10165390), (4, 5082695), (5, 4066156), (10, 2033078), (20, 1016539), (541, 37580), (1082, 18790), (1879, 10820), (2164, 9395), (2705, 7516), (3758, 5410)]