20217574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{7699}}^1$

素因数の和:7815

約数の個数: 16

約数和(自身を含む): 32986800

約数和(自身を除く): 12769226

約数列:

[1, 2, 13, 26, 101, 202, 1313, 2626, 7699, 15398, 100087, 200174, 777599, 1555198, 10108787, 20217574]

約数ペア:

[(1, 20217574), (2, 10108787), (13, 1555198), (26, 777599), (101, 200174), (202, 100087), (1313, 15398), (2626, 7699)]