20551608

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{337}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 70128240

約数和(自身を除く): 49576632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 44, 56, 63, 66, 72, 77, 84, 88, 99, 121, 126, 132, 154, 168, 198, 231, 242, 252, 264, 308, 337, 363, 396, 462, 484, 504, 616, 674, 693, 726, 792, 847, 924, 968, 1011, 1089, 1348, 1386, 1452, 1694, 1848, 2022, 2178, 2359, 2541, 2696, 2772, 2904, 3033, 3388, 3707, 4044, 4356, 4718, 5082, 5544, 6066, 6776, 7077, 7414, 7623, 8088, 8712, 9436, 10164, 11121, 12132, 14154, 14828, 15246, 18872, 20328, 21231, 22242, 24264, 25949, 28308, 29656, 30492, 33363, 40777, 42462, 44484, 51898, 56616, 60984, 66726, 77847, 81554, 84924, 88968, 103796, 122331, 133452, 155694, 163108, 169848, 207592, 233541, 244662, 266904, 285439, 311388, 326216, 366993, 467082, 489324, 570878, 622776, 733986, 856317, 934164, 978648, 1141756, 1467972, 1712634, 1868328, 2283512, 2568951, 2935944, 3425268, 5137902, 6850536, 10275804, 20551608]

約数ペア:

[(1, 20551608), (2, 10275804), (3, 6850536), (4, 5137902), (6, 3425268), (7, 2935944), (8, 2568951), (9, 2283512), (11, 1868328), (12, 1712634), (14, 1467972), (18, 1141756), (21, 978648), (22, 934164), (24, 856317), (28, 733986), (33, 622776), (36, 570878), (42, 489324), (44, 467082), (56, 366993), (63, 326216), (66, 311388), (72, 285439), (77, 266904), (84, 244662), (88, 233541), (99, 207592), (121, 169848), (126, 163108), (132, 155694), (154, 133452), (168, 122331), (198, 103796), (231, 88968), (242, 84924), (252, 81554), (264, 77847), (308, 66726), (337, 60984), (363, 56616), (396, 51898), (462, 44484), (484, 42462), (504, 40777), (616, 33363), (674, 30492), (693, 29656), (726, 28308), (792, 25949), (847, 24264), (924, 22242), (968, 21231), (1011, 20328), (1089, 18872), (1348, 15246), (1386, 14828), (1452, 14154), (1694, 12132), (1848, 11121), (2022, 10164), (2178, 9436), (2359, 8712), (2541, 8088), (2696, 7623), (2772, 7414), (2904, 7077), (3033, 6776), (3388, 6066), (3707, 5544), (4044, 5082), (4356, 4718)]