20145030872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1438109}}^1$

素因数の和:1438235

約数の個数: 32

約数和(自身を含む): 40382128800

約数和(自身を除く): 20237097928

約数列:

[1, 2, 4, 8, 17, 34, 68, 103, 136, 206, 412, 824, 1751, 3502, 7004, 14008, 1438109, 2876218, 5752436, 11504872, 24447853, 48895706, 97791412, 148125227, 195582824, 296250454, 592500908, 1185001816, 2518128859, 5036257718, 10072515436, 20145030872]

約数ペア:

[(1, 20145030872), (2, 10072515436), (4, 5036257718), (8, 2518128859), (17, 1185001816), (34, 592500908), (68, 296250454), (103, 195582824), (136, 148125227), (206, 97791412), (412, 48895706), (824, 24447853), (1751, 11504872), (3502, 5752436), (7004, 2876218), (14008, 1438109)]