20545545

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{37019}}^1$

素因数の和:37064

約数の個数: 16

約数和(自身を含む): 33762240

約数和(自身を除く): 13216695

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 37019, 111057, 185095, 555285, 1369703, 4109109, 6848515, 20545545]

約数ペア:

[(1, 20545545), (3, 6848515), (5, 4109109), (15, 1369703), (37, 555285), (111, 185095), (185, 111057), (555, 37019)]