20468505

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{751}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 34652160

約数和(自身を除く): 14183655

約数列:

[1, 3, 5, 15, 23, 69, 79, 115, 237, 345, 395, 751, 1185, 1817, 2253, 3755, 5451, 9085, 11265, 17273, 27255, 51819, 59329, 86365, 177987, 259095, 296645, 889935, 1364567, 4093701, 6822835, 20468505]

約数ペア:

[(1, 20468505), (3, 6822835), (5, 4093701), (15, 1364567), (23, 889935), (69, 296645), (79, 259095), (115, 177987), (237, 86365), (345, 59329), (395, 51819), (751, 27255), (1185, 17273), (1817, 11265), (2253, 9085), (3755, 5451)]