20161235

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{8179}}^1$

素因数の和:8230

約数の個数: 16

約数和(自身を含む): 26503200

約数和(自身を除く): 6341965

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 8179, 40895, 139043, 237191, 695215, 1185955, 4032247, 20161235]

約数ペア:

[(1, 20161235), (5, 4032247), (17, 1185955), (29, 695215), (85, 237191), (145, 139043), (493, 40895), (2465, 8179)]