20194728183

素因数分解:

$3^2\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{308519}}^1$

素因数の和:309571

約数の個数: 24

約数和(自身を含む): 33369523200

約数和(自身を除く): 13174795017

約数列:

[1, 3, 7, 9, 21, 63, 1039, 3117, 7273, 9351, 21819, 65457, 308519, 925557, 2159633, 2776671, 6478899, 19436697, 320551241, 961653723, 2243858687, 2884961169, 6731576061, 20194728183]

約数ペア:

[(1, 20194728183), (3, 6731576061), (7, 2884961169), (9, 2243858687), (21, 961653723), (63, 320551241), (1039, 19436697), (3117, 6478899), (7273, 2776671), (9351, 2159633), (21819, 925557), (65457, 308519)]