20389494

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 45800640

約数和(自身を除く): 25411146

約数列:

[1, 2, 3, 6, 17, 29, 34, 51, 58, 61, 87, 102, 113, 122, 174, 183, 226, 339, 366, 493, 678, 986, 1037, 1479, 1769, 1921, 2074, 2958, 3111, 3277, 3538, 3842, 5307, 5763, 6222, 6554, 6893, 9831, 10614, 11526, 13786, 19662, 20679, 30073, 41358, 55709, 60146, 90219, 111418, 117181, 167127, 180438, 199897, 234362, 334254, 351543, 399794, 599691, 703086, 1199382, 3398249, 6796498, 10194747, 20389494]

約数ペア:

[(1, 20389494), (2, 10194747), (3, 6796498), (6, 3398249), (17, 1199382), (29, 703086), (34, 599691), (51, 399794), (58, 351543), (61, 334254), (87, 234362), (102, 199897), (113, 180438), (122, 167127), (174, 117181), (183, 111418), (226, 90219), (339, 60146), (366, 55709), (493, 41358), (678, 30073), (986, 20679), (1037, 19662), (1479, 13786), (1769, 11526), (1921, 10614), (2074, 9831), (2958, 6893), (3111, 6554), (3277, 6222), (3538, 5763), (3842, 5307)]