20109117

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13487}}^1$

素因数の和:13568

約数の個数: 16

約数和(自身を含む): 31076352

約数和(自身を除く): 10967235

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 13487, 40461, 94409, 283227, 957577, 2872731, 6703039, 20109117]

約数ペア:

[(1, 20109117), (3, 6703039), (7, 2872731), (21, 957577), (71, 283227), (213, 94409), (497, 40461), (1491, 13487)]