20129127903

素因数分解:

$3^2\times {\mathrm{431}}^1\times {\mathrm{983}}^1\times {\mathrm{5279}}^1$

素因数の和:6699

約数の個数: 24

約数和(自身を含む): 29178040320

約数和(自身を除く): 9048912417

約数列:

[1, 3, 9, 431, 983, 1293, 2949, 3879, 5279, 8847, 15837, 47511, 423673, 1271019, 2275249, 3813057, 5189257, 6825747, 15567771, 20477241, 46703313, 2236569767, 6709709301, 20129127903]

約数ペア:

[(1, 20129127903), (3, 6709709301), (9, 2236569767), (431, 46703313), (983, 20477241), (1293, 15567771), (2949, 6825747), (3879, 5189257), (5279, 3813057), (8847, 2275249), (15837, 1271019), (47511, 423673)]