20673972

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 62741952

約数和(自身を除く): 42067980

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 37, 44, 51, 66, 68, 74, 83, 99, 102, 111, 132, 148, 153, 166, 187, 198, 204, 222, 249, 306, 332, 333, 374, 396, 407, 444, 498, 561, 612, 629, 666, 747, 748, 814, 913, 996, 1122, 1221, 1258, 1332, 1411, 1494, 1628, 1683, 1826, 1887, 2244, 2442, 2516, 2739, 2822, 2988, 3071, 3366, 3652, 3663, 3774, 4233, 4884, 5478, 5644, 5661, 6142, 6732, 6919, 7326, 7548, 8217, 8466, 9213, 10956, 11322, 12284, 12699, 13838, 14652, 15521, 16434, 16932, 18426, 20757, 22644, 25398, 27639, 27676, 31042, 32868, 33781, 36852, 41514, 46563, 50796, 52207, 55278, 62084, 62271, 67562, 83028, 93126, 101343, 104414, 110556, 124542, 135124, 139689, 156621, 186252, 202686, 208828, 249084, 279378, 304029, 313242, 405372, 469863, 558756, 574277, 608058, 626484, 939726, 1148554, 1216116, 1722831, 1879452, 2297108, 3445662, 5168493, 6891324, 10336986, 20673972]

約数ペア:

[(1, 20673972), (2, 10336986), (3, 6891324), (4, 5168493), (6, 3445662), (9, 2297108), (11, 1879452), (12, 1722831), (17, 1216116), (18, 1148554), (22, 939726), (33, 626484), (34, 608058), (36, 574277), (37, 558756), (44, 469863), (51, 405372), (66, 313242), (68, 304029), (74, 279378), (83, 249084), (99, 208828), (102, 202686), (111, 186252), (132, 156621), (148, 139689), (153, 135124), (166, 124542), (187, 110556), (198, 104414), (204, 101343), (222, 93126), (249, 83028), (306, 67562), (332, 62271), (333, 62084), (374, 55278), (396, 52207), (407, 50796), (444, 46563), (498, 41514), (561, 36852), (612, 33781), (629, 32868), (666, 31042), (747, 27676), (748, 27639), (814, 25398), (913, 22644), (996, 20757), (1122, 18426), (1221, 16932), (1258, 16434), (1332, 15521), (1411, 14652), (1494, 13838), (1628, 12699), (1683, 12284), (1826, 11322), (1887, 10956), (2244, 9213), (2442, 8466), (2516, 8217), (2739, 7548), (2822, 7326), (2988, 6919), (3071, 6732), (3366, 6142), (3652, 5661), (3663, 5644), (3774, 5478), (4233, 4884)]