20886200

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{6143}}^1$

素因数の和:6176

約数の個数: 48

約数和(自身を含む): 51425280

約数和(自身を除く): 30539080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 6143, 12286, 24572, 30715, 49144, 61430, 104431, 122860, 153575, 208862, 245720, 307150, 417724, 522155, 614300, 835448, 1044310, 1228600, 2088620, 2610775, 4177240, 5221550, 10443100, 20886200]

約数ペア:

[(1, 20886200), (2, 10443100), (4, 5221550), (5, 4177240), (8, 2610775), (10, 2088620), (17, 1228600), (20, 1044310), (25, 835448), (34, 614300), (40, 522155), (50, 417724), (68, 307150), (85, 245720), (100, 208862), (136, 153575), (170, 122860), (200, 104431), (340, 61430), (425, 49144), (680, 30715), (850, 24572), (1700, 12286), (3400, 6143)]