20213826050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1\times {\mathrm{997}}^1$

素因数の和:1404

約数の個数: 96

約数和(自身を含む): 41485630464

約数和(自身を除く): 21271804414

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 191, 193, 275, 382, 386, 550, 955, 965, 997, 1910, 1930, 1994, 2101, 2123, 4202, 4246, 4775, 4825, 4985, 9550, 9650, 9970, 10505, 10615, 10967, 21010, 21230, 21934, 24925, 36863, 49850, 52525, 53075, 54835, 73726, 105050, 106150, 109670, 184315, 190427, 192421, 274175, 368630, 380854, 384842, 405493, 548350, 810986, 921575, 952135, 962105, 1843150, 1904270, 1924210, 2027465, 2094697, 2116631, 4054930, 4189394, 4233262, 4760675, 4810525, 9521350, 9621050, 10137325, 10473485, 10583155, 20274650, 20946970, 21166310, 36752411, 52367425, 52915775, 73504822, 104734850, 105831550, 183762055, 367524110, 404276521, 808553042, 918810275, 1837620550, 2021382605, 4042765210, 10106913025, 20213826050]

約数ペア:

[(1, 20213826050), (2, 10106913025), (5, 4042765210), (10, 2021382605), (11, 1837620550), (22, 918810275), (25, 808553042), (50, 404276521), (55, 367524110), (110, 183762055), (191, 105831550), (193, 104734850), (275, 73504822), (382, 52915775), (386, 52367425), (550, 36752411), (955, 21166310), (965, 20946970), (997, 20274650), (1910, 10583155), (1930, 10473485), (1994, 10137325), (2101, 9621050), (2123, 9521350), (4202, 4810525), (4246, 4760675), (4775, 4233262), (4825, 4189394), (4985, 4054930), (9550, 2116631), (9650, 2094697), (9970, 2027465), (10505, 1924210), (10615, 1904270), (10967, 1843150), (21010, 962105), (21230, 952135), (21934, 921575), (24925, 810986), (36863, 548350), (49850, 405493), (52525, 384842), (53075, 380854), (54835, 368630), (73726, 274175), (105050, 192421), (106150, 190427), (109670, 184315)]