20165579772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1452433}}^1$

素因数の和:1452542

約数の個数: 48

約数和(自身を含む): 51241871520

約数和(自身を除く): 31076291748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 156, 178, 267, 356, 534, 1068, 1157, 2314, 3471, 4628, 6942, 13884, 1452433, 2904866, 4357299, 5809732, 8714598, 17429196, 18881629, 37763258, 56644887, 75526516, 113289774, 129266537, 226579548, 258533074, 387799611, 517066148, 775599222, 1551198444, 1680464981, 3360929962, 5041394943, 6721859924, 10082789886, 20165579772]

約数ペア:

[(1, 20165579772), (2, 10082789886), (3, 6721859924), (4, 5041394943), (6, 3360929962), (12, 1680464981), (13, 1551198444), (26, 775599222), (39, 517066148), (52, 387799611), (78, 258533074), (89, 226579548), (156, 129266537), (178, 113289774), (267, 75526516), (356, 56644887), (534, 37763258), (1068, 18881629), (1157, 17429196), (2314, 8714598), (3471, 5809732), (4628, 4357299), (6942, 2904866), (13884, 1452433)]