1216782020

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{92041}}^1$

素因数の和:92711

約数の個数: 24

約数和(自身を含む): 2559135768

約数和(自身を除く): 1342353748

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 92041, 184082, 368164, 460205, 920410, 1840820, 60839101, 121678202, 243356404, 304195505, 608391010, 1216782020]

約数ペア:

[(1, 1216782020), (2, 608391010), (4, 304195505), (5, 243356404), (10, 121678202), (20, 60839101), (661, 1840820), (1322, 920410), (2644, 460205), (3305, 368164), (6610, 184082), (13220, 92041)]