20171805280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11461253}}^1$

素因数の和:11461279

約数の個数: 48

約数和(自身を含む): 51988248144

約数和(自身を除く): 31816442864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11461253, 22922506, 45845012, 57306265, 91690024, 114612530, 126073783, 183380048, 229225060, 252147566, 366760096, 458450120, 504295132, 630368915, 916900240, 1008590264, 1260737830, 1833800480, 2017180528, 2521475660, 4034361056, 5042951320, 10085902640, 20171805280]

約数ペア:

[(1, 20171805280), (2, 10085902640), (4, 5042951320), (5, 4034361056), (8, 2521475660), (10, 2017180528), (11, 1833800480), (16, 1260737830), (20, 1008590264), (22, 916900240), (32, 630368915), (40, 504295132), (44, 458450120), (55, 366760096), (80, 252147566), (88, 229225060), (110, 183380048), (160, 126073783), (176, 114612530), (220, 91690024), (352, 57306265), (440, 45845012), (880, 22922506), (1760, 11461253)]