20189096

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{419}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 40068000

約数和(自身を除く): 19878904

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 317, 419, 634, 838, 1268, 1676, 2536, 3352, 6023, 7961, 12046, 15922, 24092, 31844, 48184, 63688, 132823, 265646, 531292, 1062584, 2523637, 5047274, 10094548, 20189096]

約数ペア:

[(1, 20189096), (2, 10094548), (4, 5047274), (8, 2523637), (19, 1062584), (38, 531292), (76, 265646), (152, 132823), (317, 63688), (419, 48184), (634, 31844), (838, 24092), (1268, 15922), (1676, 12046), (2536, 7961), (3352, 6023)]