20186888905

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1\times {\mathrm{81611}}^1$

素因数の和:82488

約数の個数: 16

約数和(自身を含む): 24652047168

約数和(自身を除く): 4465158263

約数列:

[1, 5, 61, 305, 811, 4055, 49471, 81611, 247355, 408055, 4978271, 24891355, 66186521, 330932605, 4037377781, 20186888905]

約数ペア:

[(1, 20186888905), (5, 4037377781), (61, 330932605), (305, 66186521), (811, 24891355), (4055, 4978271), (49471, 408055), (81611, 247355)]