20173418524

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{797}}^1\times {\mathrm{21023}}^1$

素因数の和:21874

約数の個数: 48

約数和(自身を含む): 41338902528

約数和(自身を除く): 21165484004

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 797, 1204, 1594, 3188, 5579, 11158, 21023, 22316, 34271, 42046, 68542, 84092, 137084, 147161, 239897, 294322, 479794, 588644, 903989, 959588, 1807978, 3615956, 6327923, 12655846, 16755331, 25311692, 33510662, 67021324, 117287317, 234574634, 469149268, 720479233, 1440958466, 2881916932, 5043354631, 10086709262, 20173418524]

約数ペア:

[(1, 20173418524), (2, 10086709262), (4, 5043354631), (7, 2881916932), (14, 1440958466), (28, 720479233), (43, 469149268), (86, 234574634), (172, 117287317), (301, 67021324), (602, 33510662), (797, 25311692), (1204, 16755331), (1594, 12655846), (3188, 6327923), (5579, 3615956), (11158, 1807978), (21023, 959588), (22316, 903989), (34271, 588644), (42046, 479794), (68542, 294322), (84092, 239897), (137084, 147161)]