20129655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14747}}^1$

素因数の和:14775

約数の個数: 32

約数和(自身を含む): 39642624

約数和(自身を除く): 19512969

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 14747, 44241, 73735, 103229, 191711, 221205, 309687, 516145, 575133, 958555, 1341977, 1548435, 2875665, 4025931, 6709885, 20129655]

約数ペア:

[(1, 20129655), (3, 6709885), (5, 4025931), (7, 2875665), (13, 1548435), (15, 1341977), (21, 958555), (35, 575133), (39, 516145), (65, 309687), (91, 221205), (105, 191711), (195, 103229), (273, 73735), (455, 44241), (1365, 14747)]