11689220

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1429}}^1$

素因数の和:1847

約数の個数: 24

約数和(自身を含む): 24624600

約数和(自身を除く): 12935380

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1429, 1636, 2045, 2858, 4090, 5716, 7145, 8180, 14290, 28580, 584461, 1168922, 2337844, 2922305, 5844610, 11689220]

約数ペア:

[(1, 11689220), (2, 5844610), (4, 2922305), (5, 2337844), (10, 1168922), (20, 584461), (409, 28580), (818, 14290), (1429, 8180), (1636, 7145), (2045, 5716), (2858, 4090)]