20870170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109843}}^1$

素因数の和:109869

約数の個数: 16

約数和(自身を含む): 39543840

約数和(自身を除く): 18673670

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 109843, 219686, 549215, 1098430, 2087017, 4174034, 10435085, 20870170]

約数ペア:

[(1, 20870170), (2, 10435085), (5, 4174034), (10, 2087017), (19, 1098430), (38, 549215), (95, 219686), (190, 109843)]