20536026

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 48964608

約数和(自身を除く): 28428582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 83, 86, 129, 137, 166, 249, 258, 274, 301, 411, 498, 581, 602, 822, 903, 959, 1162, 1743, 1806, 1918, 2877, 3486, 3569, 5754, 5891, 7138, 10707, 11371, 11782, 17673, 21414, 22742, 24983, 34113, 35346, 41237, 49966, 68226, 74949, 79597, 82474, 123711, 149898, 159194, 238791, 247422, 477582, 488953, 977906, 1466859, 2933718, 3422671, 6845342, 10268013, 20536026]

約数ペア:

[(1, 20536026), (2, 10268013), (3, 6845342), (6, 3422671), (7, 2933718), (14, 1466859), (21, 977906), (42, 488953), (43, 477582), (83, 247422), (86, 238791), (129, 159194), (137, 149898), (166, 123711), (249, 82474), (258, 79597), (274, 74949), (301, 68226), (411, 49966), (498, 41237), (581, 35346), (602, 34113), (822, 24983), (903, 22742), (959, 21414), (1162, 17673), (1743, 11782), (1806, 11371), (1918, 10707), (2877, 7138), (3486, 5891), (3569, 5754)]