20228565560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72244877}}^1$

素因数の和:72244895

約数の個数: 32

約数和(自身を含む): 52016312160

約数和(自身を除く): 31787746600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72244877, 144489754, 288979508, 361224385, 505714139, 577959016, 722448770, 1011428278, 1444897540, 2022856556, 2528570695, 2889795080, 4045713112, 5057141390, 10114282780, 20228565560]

約数ペア:

[(1, 20228565560), (2, 10114282780), (4, 5057141390), (5, 4045713112), (7, 2889795080), (8, 2528570695), (10, 2022856556), (14, 1444897540), (20, 1011428278), (28, 722448770), (35, 577959016), (40, 505714139), (56, 361224385), (70, 288979508), (140, 144489754), (280, 72244877)]