20927272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{153877}}^1$

素因数の和:153900

約数の個数: 16

約数和(自身を含む): 41547060

約数和(自身を除く): 20619788

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 153877, 307754, 615508, 1231016, 2615909, 5231818, 10463636, 20927272]

約数ペア:

[(1, 20927272), (2, 10463636), (4, 5231818), (8, 2615909), (17, 1231016), (34, 615508), (68, 307754), (136, 153877)]