20702987999

素因数分解:

${\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{643}}^1\times {\mathrm{3491}}^1$

素因数の和:4558

約数の個数: 16

約数和(自身を含む): 21696885504

約数和(自身を除く): 993897505

約数列:

[1, 23, 401, 643, 3491, 9223, 14789, 80293, 257843, 1399891, 2244713, 5930389, 32197493, 51628399, 900129913, 20702987999]

約数ペア:

[(1, 20702987999), (23, 900129913), (401, 51628399), (643, 32197493), (3491, 5930389), (9223, 2244713), (14789, 1399891), (80293, 257843)]