20345086

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 33390720

約数和(自身を除く): 13045634

約数列:

[1, 2, 19, 38, 61, 67, 122, 131, 134, 262, 1159, 1273, 2318, 2489, 2546, 4087, 4978, 7991, 8174, 8777, 15982, 17554, 77653, 151829, 155306, 166763, 303658, 333526, 535397, 1070794, 10172543, 20345086]

約数ペア:

[(1, 20345086), (2, 10172543), (19, 1070794), (38, 535397), (61, 333526), (67, 303658), (122, 166763), (131, 155306), (134, 151829), (262, 77653), (1159, 17554), (1273, 15982), (2318, 8777), (2489, 8174), (2546, 7991), (4087, 4978)]