20165727

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{2447}}^1$

素因数の和:2558

約数の個数: 16

約数和(自身を含む): 27965952

約数和(自身を除く): 7800225

約数列:

[1, 3, 41, 67, 123, 201, 2447, 2747, 7341, 8241, 100327, 163949, 300981, 491847, 6721909, 20165727]

約数ペア:

[(1, 20165727), (3, 6721909), (41, 491847), (67, 300981), (123, 163949), (201, 100327), (2447, 8241), (2747, 7341)]