20196405

素因数分解:

$3^3\times 5^1\times {\mathrm{149603}}^1$

素因数の和:149617

約数の個数: 16

約数和(自身を含む): 35904960

約数和(自身を除く): 15708555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149603, 448809, 748015, 1346427, 2244045, 4039281, 6732135, 20196405]

約数ペア:

[(1, 20196405), (3, 6732135), (5, 4039281), (9, 2244045), (15, 1346427), (27, 748015), (45, 448809), (135, 149603)]