20349933

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{977}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 27884736

約数和(自身を除く): 7534803

約数列:

[1, 3, 53, 131, 159, 393, 977, 2931, 6943, 20829, 51781, 127987, 155343, 383961, 6783311, 20349933]

約数ペア:

[(1, 20349933), (3, 6783311), (53, 383961), (131, 155343), (159, 127987), (393, 51781), (977, 20829), (2931, 6943)]