20878184

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1201}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 40892040

約数和(自身を除く): 20013856

約数列:

[1, 2, 4, 8, 41, 53, 82, 106, 164, 212, 328, 424, 1201, 2173, 2402, 4346, 4804, 8692, 9608, 17384, 49241, 63653, 98482, 127306, 196964, 254612, 393928, 509224, 2609773, 5219546, 10439092, 20878184]

約数ペア:

[(1, 20878184), (2, 10439092), (4, 5219546), (8, 2609773), (41, 509224), (53, 393928), (82, 254612), (106, 196964), (164, 127306), (212, 98482), (328, 63653), (424, 49241), (1201, 17384), (2173, 9608), (2402, 8692), (4346, 4804)]