20123002

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{3631}}^1$

素因数の和:3813

約数の個数: 16

約数和(自身を含む): 32164992

約数和(自身を除く): 12041990

約数列:

[1, 2, 17, 34, 163, 326, 2771, 3631, 5542, 7262, 61727, 123454, 591853, 1183706, 10061501, 20123002]

約数ペア:

[(1, 20123002), (2, 10061501), (17, 1183706), (34, 591853), (163, 123454), (326, 61727), (2771, 7262), (3631, 5542)]