20291206340

素因数分解:

$2^2\times 5^1\times {\mathrm{15889}}^1\times {\mathrm{63853}}^1$

素因数の和:79751

約数の個数: 24

約数和(自身を含む): 42614882520

約数和(自身を除く): 22323676180

約数列:

[1, 2, 4, 5, 10, 20, 15889, 31778, 63556, 63853, 79445, 127706, 158890, 255412, 317780, 319265, 638530, 1277060, 1014560317, 2029120634, 4058241268, 5072801585, 10145603170, 20291206340]

約数ペア:

[(1, 20291206340), (2, 10145603170), (4, 5072801585), (5, 4058241268), (10, 2029120634), (20, 1014560317), (15889, 1277060), (31778, 638530), (63556, 319265), (63853, 317780), (79445, 255412), (127706, 158890)]