20345922

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1451}}^1$

素因数の和:1519

約数の個数: 48

約数和(自身を含む): 47567520

約数和(自身を除く): 27221598

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 41, 57, 82, 114, 123, 171, 246, 342, 369, 738, 779, 1451, 1558, 2337, 2902, 4353, 4674, 7011, 8706, 13059, 14022, 26118, 27569, 55138, 59491, 82707, 118982, 165414, 178473, 248121, 356946, 496242, 535419, 1070838, 1130329, 2260658, 3390987, 6781974, 10172961, 20345922]

約数ペア:

[(1, 20345922), (2, 10172961), (3, 6781974), (6, 3390987), (9, 2260658), (18, 1130329), (19, 1070838), (38, 535419), (41, 496242), (57, 356946), (82, 248121), (114, 178473), (123, 165414), (171, 118982), (246, 82707), (342, 59491), (369, 55138), (738, 27569), (779, 26118), (1451, 14022), (1558, 13059), (2337, 8706), (2902, 7011), (4353, 4674)]