20145405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{191861}}^1$

素因数の和:191876

約数の個数: 16

約数和(自身を含む): 36837504

約数和(自身を除く): 16692099

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 191861, 575583, 959305, 1343027, 2877915, 4029081, 6715135, 20145405]

約数ペア:

[(1, 20145405), (3, 6715135), (5, 4029081), (7, 2877915), (15, 1343027), (21, 959305), (35, 575583), (105, 191861)]