20403717187

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{971}}^1\times {\mathrm{49211}}^1$

素因数の和:50250

約数の個数: 16

約数和(自身を含む): 23725695744

約数和(自身を除く): 3321978557

約数列:

[1, 7, 61, 427, 971, 6797, 49211, 59231, 344477, 414617, 3001871, 21013097, 47783881, 334487167, 2914816741, 20403717187]

約数ペア:

[(1, 20403717187), (7, 2914816741), (61, 334487167), (427, 47783881), (971, 21013097), (6797, 3001871), (49211, 414617), (59231, 344477)]