20197870851

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4620881}}^1$

素因数の和:4620962

約数の個数: 16

約数和(自身を含む): 28390699008

約数和(自身を除く): 8192828157

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 4620881, 13862643, 143247311, 217181407, 429741933, 651544221, 6732623617, 20197870851]

約数ペア:

[(1, 20197870851), (3, 6732623617), (31, 651544221), (47, 429741933), (93, 217181407), (141, 143247311), (1457, 13862643), (4371, 4620881)]