20173858672

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{45181}}^1$

素因数の和:45302

約数の個数: 80

約数和(自身を含む): 44372338560

約数和(自身を除く): 24198479888

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 59, 86, 88, 118, 172, 176, 236, 344, 472, 473, 649, 688, 944, 946, 1298, 1892, 2537, 2596, 3784, 5074, 5192, 7568, 10148, 10384, 20296, 27907, 40592, 45181, 55814, 90362, 111628, 180724, 223256, 361448, 446512, 496991, 722896, 993982, 1942783, 1987964, 2665679, 3885566, 3975928, 5331358, 7771132, 7951856, 10662716, 15542264, 21325432, 21370613, 29322469, 31084528, 42650864, 42741226, 58644938, 85482452, 114624197, 117289876, 170964904, 229248394, 234579752, 341929808, 458496788, 469159504, 916993576, 1260866167, 1833987152, 2521732334, 5043464668, 10086929336, 20173858672]

約数ペア:

[(1, 20173858672), (2, 10086929336), (4, 5043464668), (8, 2521732334), (11, 1833987152), (16, 1260866167), (22, 916993576), (43, 469159504), (44, 458496788), (59, 341929808), (86, 234579752), (88, 229248394), (118, 170964904), (172, 117289876), (176, 114624197), (236, 85482452), (344, 58644938), (472, 42741226), (473, 42650864), (649, 31084528), (688, 29322469), (944, 21370613), (946, 21325432), (1298, 15542264), (1892, 10662716), (2537, 7951856), (2596, 7771132), (3784, 5331358), (5074, 3975928), (5192, 3885566), (7568, 2665679), (10148, 1987964), (10384, 1942783), (20296, 993982), (27907, 722896), (40592, 496991), (45181, 446512), (55814, 361448), (90362, 223256), (111628, 180724)]