20414450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 47568384

約数和(自身を除く): 27153934

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 47, 50, 70, 73, 85, 94, 119, 146, 170, 175, 235, 238, 329, 350, 365, 425, 470, 511, 595, 658, 730, 799, 850, 1022, 1175, 1190, 1241, 1598, 1645, 1825, 2350, 2482, 2555, 2975, 3290, 3431, 3650, 3995, 5110, 5593, 5950, 6205, 6862, 7990, 8225, 8687, 11186, 12410, 12775, 16450, 17155, 17374, 19975, 24017, 25550, 27965, 31025, 34310, 39950, 43435, 48034, 55930, 58327, 62050, 85775, 86870, 116654, 120085, 139825, 171550, 217175, 240170, 279650, 291635, 408289, 434350, 583270, 600425, 816578, 1200850, 1458175, 2041445, 2916350, 4082890, 10207225, 20414450]

約数ペア:

[(1, 20414450), (2, 10207225), (5, 4082890), (7, 2916350), (10, 2041445), (14, 1458175), (17, 1200850), (25, 816578), (34, 600425), (35, 583270), (47, 434350), (50, 408289), (70, 291635), (73, 279650), (85, 240170), (94, 217175), (119, 171550), (146, 139825), (170, 120085), (175, 116654), (235, 86870), (238, 85775), (329, 62050), (350, 58327), (365, 55930), (425, 48034), (470, 43435), (511, 39950), (595, 34310), (658, 31025), (730, 27965), (799, 25550), (850, 24017), (1022, 19975), (1175, 17374), (1190, 17155), (1241, 16450), (1598, 12775), (1645, 12410), (1825, 11186), (2350, 8687), (2482, 8225), (2555, 7990), (2975, 6862), (3290, 6205), (3431, 5950), (3650, 5593), (3995, 5110)]