20802024260

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4664131}}^1$

素因数の和:4664363

約数の個数: 24

約数和(自身を含む): 43880153856

約数和(自身を除く): 23078129596

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 4664131, 9328262, 18656524, 23320655, 46641310, 93282620, 1040101213, 2080202426, 4160404852, 5200506065, 10401012130, 20802024260]

約数ペア:

[(1, 20802024260), (2, 10401012130), (4, 5200506065), (5, 4160404852), (10, 2080202426), (20, 1040101213), (223, 93282620), (446, 46641310), (892, 23320655), (1115, 18656524), (2230, 9328262), (4460, 4664131)]