20798536

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1861}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 22101944

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 127, 254, 508, 1016, 1397, 1861, 2794, 3722, 5588, 7444, 11176, 14888, 20471, 40942, 81884, 163768, 236347, 472694, 945388, 1890776, 2599817, 5199634, 10399268, 20798536]

約数ペア:

[(1, 20798536), (2, 10399268), (4, 5199634), (8, 2599817), (11, 1890776), (22, 945388), (44, 472694), (88, 236347), (127, 163768), (254, 81884), (508, 40942), (1016, 20471), (1397, 14888), (1861, 11176), (2794, 7444), (3722, 5588)]