20123265729

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4864217}}^1$

素因数の和:4864424

約数の個数: 16

約数和(自身を含む): 30819685248

約数和(自身を除く): 10696419519

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 4864217, 14592651, 34049519, 102148557, 958250749, 2874752247, 6707755243, 20123265729]

約数ペア:

[(1, 20123265729), (3, 6707755243), (7, 2874752247), (21, 958250749), (197, 102148557), (591, 34049519), (1379, 14592651), (4137, 4864217)]