20218534049

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{232801}}^1$

素因数の和:233480

約数の個数: 16

約数和(自身を含む): 24360401280

約数和(自身を除く): 4141867231

約数列:

[1, 7, 19, 133, 653, 4571, 12407, 86849, 232801, 1629607, 4423219, 30962533, 152019053, 1064133371, 2888362007, 20218534049]

約数ペア:

[(1, 20218534049), (7, 2888362007), (19, 1064133371), (133, 152019053), (653, 30962533), (4571, 4423219), (12407, 1629607), (86849, 232801)]