20118165

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9649}}^1$

素因数の和:9796

約数の個数: 16

約数和(自身を含む): 32424000

約数和(自身を除く): 12305835

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 9649, 28947, 48245, 144735, 1341211, 4023633, 6706055, 20118165]

約数ペア:

[(1, 20118165), (3, 6706055), (5, 4023633), (15, 1341211), (139, 144735), (417, 48245), (695, 28947), (2085, 9649)]