15511490182220

素因数分解:

$2^2\times 5^1\times {\mathrm{21031}}^1\times {\mathrm{36877681}}^1$

素因数の和:36898721

約数の個数: 24

約数和(自身を含む): 32575679128608

約数和(自身を除く): 17064188946388

約数列:

[1, 2, 4, 5, 10, 20, 21031, 42062, 84124, 105155, 210310, 420620, 36877681, 73755362, 147510724, 184388405, 368776810, 737553620, 775574509111, 1551149018222, 3102298036444, 3877872545555, 7755745091110, 15511490182220]

約数ペア:

[(1, 15511490182220), (2, 7755745091110), (4, 3877872545555), (5, 3102298036444), (10, 1551149018222), (20, 775574509111), (21031, 737553620), (42062, 368776810), (84124, 184388405), (105155, 147510724), (210310, 73755362), (420620, 36877681)]