2280992020

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{172541}}^1$

素因数の和:173211

約数の個数: 24

約数和(自身を含む): 4797357768

約数和(自身を除く): 2516365748

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 172541, 345082, 690164, 862705, 1725410, 3450820, 114049601, 228099202, 456198404, 570248005, 1140496010, 2280992020]

約数ペア:

[(1, 2280992020), (2, 1140496010), (4, 570248005), (5, 456198404), (10, 228099202), (20, 114049601), (661, 3450820), (1322, 1725410), (2644, 862705), (3305, 690164), (6610, 345082), (13220, 172541)]