20148004821

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15728341}}^1$

素因数の和:15728412

約数の個数: 16

約数和(自身を含む): 31205030528

約数和(自身を除く): 11057025707

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15728341, 47185023, 110098387, 330295161, 959428801, 2878286403, 6716001607, 20148004821]

約数ペア:

[(1, 20148004821), (3, 6716001607), (7, 2878286403), (21, 959428801), (61, 330295161), (183, 110098387), (427, 47185023), (1281, 15728341)]