155220220

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{20807}}^1$

素因数の和:21189

約数の個数: 24

約数和(自身を含む): 326852064

約数和(自身を除く): 171631844

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 3730, 7460, 20807, 41614, 83228, 104035, 208070, 416140, 7761011, 15522022, 31044044, 38805055, 77610110, 155220220]

約数ペア:

[(1, 155220220), (2, 77610110), (4, 38805055), (5, 31044044), (10, 15522022), (20, 7761011), (373, 416140), (746, 208070), (1492, 104035), (1865, 83228), (3730, 41614), (7460, 20807)]