220056940

素因数分解:

$2^2\times 5^1\times {\mathrm{853}}^1\times {\mathrm{12899}}^1$

素因数の和:13761

約数の個数: 24

約数和(自身を含む): 462697200

約数和(自身を除く): 242640260

約数列:

[1, 2, 4, 5, 10, 20, 853, 1706, 3412, 4265, 8530, 12899, 17060, 25798, 51596, 64495, 128990, 257980, 11002847, 22005694, 44011388, 55014235, 110028470, 220056940]

約数ペア:

[(1, 220056940), (2, 110028470), (4, 55014235), (5, 44011388), (10, 22005694), (20, 11002847), (853, 257980), (1706, 128990), (3412, 64495), (4265, 51596), (8530, 25798), (12899, 17060)]