20428658719

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7463887}}^1$

素因数の和:7463934

約数の個数: 16

約数和(自身を含む): 25795196928

約数和(自身を除く): 5366538209

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7463887, 52247209, 126886079, 171669401, 888202553, 1201685807, 2918379817, 20428658719]

約数ペア:

[(1, 20428658719), (7, 2918379817), (17, 1201685807), (23, 888202553), (119, 171669401), (161, 126886079), (391, 52247209), (2737, 7463887)]