20155170815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1\times {\mathrm{10993}}^1$

素因数の和:11499

約数の個数: 32

約数和(自身を含む): 26500641216

約数和(自身を除く): 6345470401

約数列:

[1, 5, 13, 65, 67, 335, 421, 871, 2105, 4355, 5473, 10993, 27365, 28207, 54965, 141035, 142909, 366691, 714545, 736531, 1833455, 3682655, 4628053, 9574903, 23140265, 47874515, 60164689, 300823445, 310079551, 1550397755, 4031034163, 20155170815]

約数ペア:

[(1, 20155170815), (5, 4031034163), (13, 1550397755), (65, 310079551), (67, 300823445), (335, 60164689), (421, 47874515), (871, 23140265), (2105, 9574903), (4355, 4628053), (5473, 3682655), (10993, 1833455), (27365, 736531), (28207, 714545), (54965, 366691), (141035, 142909)]