20199428180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24633449}}^1$

素因数の和:24633499

約数の個数: 24

約数和(自身を含む): 43453405800

約数和(自身を除く): 23253977620

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24633449, 49266898, 98533796, 123167245, 246334490, 492668980, 1009971409, 2019942818, 4039885636, 5049857045, 10099714090, 20199428180]

約数ペア:

[(1, 20199428180), (2, 10099714090), (4, 5049857045), (5, 4039885636), (10, 2019942818), (20, 1009971409), (41, 492668980), (82, 246334490), (164, 123167245), (205, 98533796), (410, 49266898), (820, 24633449)]