20091505910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2503}}^1\times {\mathrm{114671}}^1$

素因数の和:117188

約数の個数: 32

約数和(自身を含む): 41347971072

約数和(自身を除く): 21256465162

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2503, 5006, 12515, 17521, 25030, 35042, 87605, 114671, 175210, 229342, 573355, 802697, 1146710, 1605394, 4013485, 8026970, 287021513, 574043026, 1435107565, 2009150591, 2870215130, 4018301182, 10045752955, 20091505910]

約数ペア:

[(1, 20091505910), (2, 10045752955), (5, 4018301182), (7, 2870215130), (10, 2009150591), (14, 1435107565), (35, 574043026), (70, 287021513), (2503, 8026970), (5006, 4013485), (12515, 1605394), (17521, 1146710), (25030, 802697), (35042, 573355), (87605, 229342), (114671, 175210)]