20174544440

素因数分解:

$2^3\times 5^1\times {\mathrm{21737}}^1\times {\mathrm{23203}}^1$

素因数の和:44951

約数の個数: 32

約数和(自身を含む): 45396769680

約数和(自身を除く): 25222225240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21737, 23203, 43474, 46406, 86948, 92812, 108685, 116015, 173896, 185624, 217370, 232030, 434740, 464060, 869480, 928120, 504363611, 1008727222, 2017454444, 2521818055, 4034908888, 5043636110, 10087272220, 20174544440]

約数ペア:

[(1, 20174544440), (2, 10087272220), (4, 5043636110), (5, 4034908888), (8, 2521818055), (10, 2017454444), (20, 1008727222), (40, 504363611), (21737, 928120), (23203, 869480), (43474, 464060), (46406, 434740), (86948, 232030), (92812, 217370), (108685, 185624), (116015, 173896)]