20102193993

素因数分解:

$3^1\times 7^2\times {\mathrm{136749619}}^1$

素因数の和:136749636

約数の個数: 12

約数和(自身を含む): 31178913360

約数和(自身を除く): 11076719367

約数列:

[1, 3, 7, 21, 49, 147, 136749619, 410248857, 957247333, 2871741999, 6700731331, 20102193993]

約数ペア:

[(1, 20102193993), (3, 6700731331), (7, 2871741999), (21, 957247333), (49, 410248857), (147, 136749619)]