20573238

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:194

約数の個数: 96

約数和(自身を含む): 52531200

約数和(自身を除く): 31957962

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 29, 38, 42, 49, 57, 58, 87, 98, 114, 127, 133, 147, 174, 203, 254, 266, 294, 381, 399, 406, 551, 609, 762, 798, 889, 931, 1102, 1218, 1421, 1653, 1778, 1862, 2413, 2667, 2793, 2842, 3306, 3683, 3857, 4263, 4826, 5334, 5586, 6223, 7239, 7366, 7714, 8526, 11049, 11571, 12446, 14478, 16891, 18669, 22098, 23142, 25781, 26999, 33782, 37338, 50673, 51562, 53998, 69977, 77343, 80997, 101346, 118237, 139954, 154686, 161994, 180467, 209931, 236474, 354711, 360934, 419862, 489839, 541401, 709422, 979678, 1082802, 1469517, 2939034, 3428873, 6857746, 10286619, 20573238]

約数ペア:

[(1, 20573238), (2, 10286619), (3, 6857746), (6, 3428873), (7, 2939034), (14, 1469517), (19, 1082802), (21, 979678), (29, 709422), (38, 541401), (42, 489839), (49, 419862), (57, 360934), (58, 354711), (87, 236474), (98, 209931), (114, 180467), (127, 161994), (133, 154686), (147, 139954), (174, 118237), (203, 101346), (254, 80997), (266, 77343), (294, 69977), (381, 53998), (399, 51562), (406, 50673), (551, 37338), (609, 33782), (762, 26999), (798, 25781), (889, 23142), (931, 22098), (1102, 18669), (1218, 16891), (1421, 14478), (1653, 12446), (1778, 11571), (1862, 11049), (2413, 8526), (2667, 7714), (2793, 7366), (2842, 7239), (3306, 6223), (3683, 5586), (3857, 5334), (4263, 4826)]