20468084

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 46587240

約数和(自身を除く): 26119156

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 49, 52, 58, 91, 98, 116, 182, 196, 203, 277, 364, 377, 406, 554, 637, 754, 812, 1108, 1274, 1421, 1508, 1939, 2548, 2639, 2842, 3601, 3878, 5278, 5684, 7202, 7756, 8033, 10556, 13573, 14404, 16066, 18473, 25207, 27146, 32132, 36946, 50414, 54292, 56231, 73892, 100828, 104429, 112462, 176449, 208858, 224924, 352898, 393617, 417716, 705796, 731003, 787234, 1462006, 1574468, 2924012, 5117021, 10234042, 20468084]

約数ペア:

[(1, 20468084), (2, 10234042), (4, 5117021), (7, 2924012), (13, 1574468), (14, 1462006), (26, 787234), (28, 731003), (29, 705796), (49, 417716), (52, 393617), (58, 352898), (91, 224924), (98, 208858), (116, 176449), (182, 112462), (196, 104429), (203, 100828), (277, 73892), (364, 56231), (377, 54292), (406, 50414), (554, 36946), (637, 32132), (754, 27146), (812, 25207), (1108, 18473), (1274, 16066), (1421, 14404), (1508, 13573), (1939, 10556), (2548, 8033), (2639, 7756), (2842, 7202), (3601, 5684), (3878, 5278)]