20833959

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{5171}}^1$

素因数の和:5270

約数の個数: 16

約数和(自身を含む): 29790720

約数和(自身を除く): 8956761

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 5171, 15513, 87907, 263721, 408509, 1225527, 6944653, 20833959]

約数ペア:

[(1, 20833959), (3, 6944653), (17, 1225527), (51, 408509), (79, 263721), (237, 87907), (1343, 15513), (4029, 5171)]