20790742420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4349}}^1\times {\mathrm{34147}}^1$

素因数の和:38512

約数の個数: 48

約数和(自身を含む): 49910716800

約数和(自身を除く): 29119974380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4349, 8698, 17396, 21745, 30443, 34147, 43490, 60886, 68294, 86980, 121772, 136588, 152215, 170735, 239029, 304430, 341470, 478058, 608860, 682940, 956116, 1195145, 2390290, 4780580, 148505303, 297010606, 594021212, 742526515, 1039537121, 1485053030, 2079074242, 2970106060, 4158148484, 5197685605, 10395371210, 20790742420]

約数ペア:

[(1, 20790742420), (2, 10395371210), (4, 5197685605), (5, 4158148484), (7, 2970106060), (10, 2079074242), (14, 1485053030), (20, 1039537121), (28, 742526515), (35, 594021212), (70, 297010606), (140, 148505303), (4349, 4780580), (8698, 2390290), (17396, 1195145), (21745, 956116), (30443, 682940), (34147, 608860), (43490, 478058), (60886, 341470), (68294, 304430), (86980, 239029), (121772, 170735), (136588, 152215)]