20195514381

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{25991653}}^1$

素因数の和:25991700

約数の個数: 16

約数和(自身を含む): 31605851264

約数和(自身を除く): 11410336883

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 25991653, 77974959, 181941571, 545824713, 961691161, 2885073483, 6731838127, 20195514381]

約数ペア:

[(1, 20195514381), (3, 6731838127), (7, 2885073483), (21, 961691161), (37, 545824713), (111, 181941571), (259, 77974959), (777, 25991653)]