20218557058

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:936

約数の個数: 128

約数和(自身を含む): 39120076800

約数和(自身を除く): 18901519742

約数列:

[1, 2, 7, 14, 19, 31, 38, 41, 62, 79, 82, 133, 158, 217, 266, 287, 434, 553, 574, 589, 757, 779, 1106, 1178, 1271, 1501, 1514, 1558, 2449, 2542, 3002, 3239, 4123, 4898, 5299, 5453, 6478, 8246, 8897, 10507, 10598, 10906, 14383, 17143, 17794, 21014, 22673, 23467, 24149, 28766, 31037, 34286, 45346, 46531, 46934, 48298, 59803, 61541, 62074, 93062, 100409, 100681, 119606, 123082, 164269, 169043, 200818, 201362, 217259, 325717, 328538, 338086, 418621, 430787, 434518, 445873, 589703, 651434, 702863, 837242, 861574, 891746, 962147, 1136257, 1179406, 1405726, 1853893, 1907771, 1924294, 2272514, 2451923, 3121111, 3707786, 3815542, 4127921, 4903846, 6242222, 6735029, 7953799, 8255842, 12977251, 13354397, 13470058, 15907598, 17163461, 18280793, 25954502, 26708794, 34326922, 35223967, 36561586, 46586537, 70447934, 76009613, 93173074, 127965551, 152019226, 246567769, 255931102, 326105759, 493135538, 532067291, 652211518, 1064134582, 1444182647, 2888365294, 10109278529, 20218557058]

約数ペア:

[(1, 20218557058), (2, 10109278529), (7, 2888365294), (14, 1444182647), (19, 1064134582), (31, 652211518), (38, 532067291), (41, 493135538), (62, 326105759), (79, 255931102), (82, 246567769), (133, 152019226), (158, 127965551), (217, 93173074), (266, 76009613), (287, 70447934), (434, 46586537), (553, 36561586), (574, 35223967), (589, 34326922), (757, 26708794), (779, 25954502), (1106, 18280793), (1178, 17163461), (1271, 15907598), (1501, 13470058), (1514, 13354397), (1558, 12977251), (2449, 8255842), (2542, 7953799), (3002, 6735029), (3239, 6242222), (4123, 4903846), (4898, 4127921), (5299, 3815542), (5453, 3707786), (6478, 3121111), (8246, 2451923), (8897, 2272514), (10507, 1924294), (10598, 1907771), (10906, 1853893), (14383, 1405726), (17143, 1179406), (17794, 1136257), (21014, 962147), (22673, 891746), (23467, 861574), (24149, 837242), (28766, 702863), (31037, 651434), (34286, 589703), (45346, 445873), (46531, 434518), (46934, 430787), (48298, 418621), (59803, 338086), (61541, 328538), (62074, 325717), (93062, 217259), (100409, 201362), (100681, 200818), (119606, 169043), (123082, 164269)]