20146912280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45788437}}^1$

素因数の和:45788459

約数の個数: 32

約数和(自身を含む): 49451513040

約数和(自身を除く): 29304600760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45788437, 91576874, 183153748, 228942185, 366307496, 457884370, 503672807, 915768740, 1007345614, 1831537480, 2014691228, 2518364035, 4029382456, 5036728070, 10073456140, 20146912280]

約数ペア:

[(1, 20146912280), (2, 10073456140), (4, 5036728070), (5, 4029382456), (8, 2518364035), (10, 2014691228), (11, 1831537480), (20, 1007345614), (22, 915768740), (40, 503672807), (44, 457884370), (55, 366307496), (88, 228942185), (110, 183153748), (220, 91576874), (440, 45788437)]