20483736

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 64350720

約数和(自身を除く): 43866984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 83, 84, 91, 104, 113, 156, 166, 168, 182, 226, 249, 273, 312, 332, 339, 364, 452, 498, 546, 581, 664, 678, 728, 791, 904, 996, 1079, 1092, 1162, 1356, 1469, 1582, 1743, 1992, 2158, 2184, 2324, 2373, 2712, 2938, 3164, 3237, 3486, 4316, 4407, 4648, 4746, 5876, 6328, 6474, 6972, 7553, 8632, 8814, 9379, 9492, 10283, 11752, 12948, 13944, 15106, 17628, 18758, 18984, 20566, 22659, 25896, 28137, 30212, 30849, 35256, 37516, 41132, 45318, 56274, 60424, 61698, 65653, 75032, 82264, 90636, 112548, 121927, 123396, 131306, 181272, 196959, 225096, 243854, 246792, 262612, 365781, 393918, 487708, 525224, 731562, 787836, 853489, 975416, 1463124, 1575672, 1706978, 2560467, 2926248, 3413956, 5120934, 6827912, 10241868, 20483736]

約数ペア:

[(1, 20483736), (2, 10241868), (3, 6827912), (4, 5120934), (6, 3413956), (7, 2926248), (8, 2560467), (12, 1706978), (13, 1575672), (14, 1463124), (21, 975416), (24, 853489), (26, 787836), (28, 731562), (39, 525224), (42, 487708), (52, 393918), (56, 365781), (78, 262612), (83, 246792), (84, 243854), (91, 225096), (104, 196959), (113, 181272), (156, 131306), (166, 123396), (168, 121927), (182, 112548), (226, 90636), (249, 82264), (273, 75032), (312, 65653), (332, 61698), (339, 60424), (364, 56274), (452, 45318), (498, 41132), (546, 37516), (581, 35256), (664, 30849), (678, 30212), (728, 28137), (791, 25896), (904, 22659), (996, 20566), (1079, 18984), (1092, 18758), (1162, 17628), (1356, 15106), (1469, 13944), (1582, 12948), (1743, 11752), (1992, 10283), (2158, 9492), (2184, 9379), (2324, 8814), (2373, 8632), (2712, 7553), (2938, 6972), (3164, 6474), (3237, 6328), (3486, 5876), (4316, 4746), (4407, 4648)]