20450404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17099}}^1$

素因数の和:17139

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 19768796

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 17099, 34198, 68396, 222287, 393277, 444574, 786554, 889148, 1573108, 5112601, 10225202, 20450404]

約数ペア:

[(1, 20450404), (2, 10225202), (4, 5112601), (13, 1573108), (23, 889148), (26, 786554), (46, 444574), (52, 393277), (92, 222287), (299, 68396), (598, 34198), (1196, 17099)]