20529685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{16229}}^1$

素因数の和:16268

約数の個数: 16

約数和(自身を含む): 28045440

約数和(自身を除く): 7515755

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 16229, 81145, 178519, 373267, 892595, 1866335, 4105937, 20529685]

約数ペア:

[(1, 20529685), (5, 4105937), (11, 1866335), (23, 892595), (55, 373267), (115, 178519), (253, 81145), (1265, 16229)]