20891096

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{153611}}^1$

素因数の和:153634

約数の個数: 16

約数和(自身を含む): 41475240

約数和(自身を除く): 20584144

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 153611, 307222, 614444, 1228888, 2611387, 5222774, 10445548, 20891096]

約数ペア:

[(1, 20891096), (2, 10445548), (4, 5222774), (8, 2611387), (17, 1228888), (34, 614444), (68, 307222), (136, 153611)]