20127839991

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30918341}}^1$

素因数の和:30918382

約数の個数: 16

約数和(自身を含む): 31660382208

約数和(自身を除く): 11532542217

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 30918341, 92755023, 216428387, 649285161, 958468571, 2875405713, 6709279997, 20127839991]

約数ペア:

[(1, 20127839991), (3, 6709279997), (7, 2875405713), (21, 958468571), (31, 649285161), (93, 216428387), (217, 92755023), (651, 30918341)]