20187305540

素因数分解:

$2^2\times 5^1\times {\mathrm{47297}}^1\times {\mathrm{21341}}^1$

素因数の和:68647

約数の個数: 24

約数和(自身を含む): 42396224472

約数和(自身を除く): 22208918932

約数列:

[1, 2, 4, 5, 10, 20, 21341, 42682, 47297, 85364, 94594, 106705, 189188, 213410, 236485, 426820, 472970, 945940, 1009365277, 2018730554, 4037461108, 5046826385, 10093652770, 20187305540]

約数ペア:

[(1, 20187305540), (2, 10093652770), (4, 5046826385), (5, 4037461108), (10, 2018730554), (20, 1009365277), (21341, 945940), (42682, 472970), (47297, 426820), (85364, 236485), (94594, 213410), (106705, 189188)]