20123712018

素因数分解:

$2^1\times 3^2\times {\mathrm{14431}}^1\times {\mathrm{77471}}^1$

素因数の和:91910

約数の個数: 24

約数和(自身を含む): 43604960256

約数和(自身を除く): 23481248238

約数列:

[1, 2, 3, 6, 9, 18, 14431, 28862, 43293, 77471, 86586, 129879, 154942, 232413, 259758, 464826, 697239, 1394478, 1117984001, 2235968002, 3353952003, 6707904006, 10061856009, 20123712018]

約数ペア:

[(1, 20123712018), (2, 10061856009), (3, 6707904006), (6, 3353952003), (9, 2235968002), (18, 1117984001), (14431, 1394478), (28862, 697239), (43293, 464826), (77471, 259758), (86586, 232413), (129879, 154942)]