20749213488

素因数分解:

$2^4\times 3^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1\times {\mathrm{11717}}^1$

素因数の和:12274

約数の個数: 80

約数和(自身を含む): 54401518080

約数和(自身を除く): 33652304592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 79, 158, 237, 316, 467, 474, 632, 934, 948, 1264, 1401, 1868, 1896, 2802, 3736, 3792, 5604, 7472, 11208, 11717, 22416, 23434, 35151, 36893, 46868, 70302, 73786, 93736, 110679, 140604, 147572, 187472, 221358, 281208, 295144, 442716, 562416, 590288, 885432, 925643, 1770864, 1851286, 2776929, 3702572, 5471839, 5553858, 7405144, 10943678, 11107716, 14810288, 16415517, 21887356, 22215432, 32831034, 43774712, 44430864, 65662068, 87549424, 131324136, 262648272, 432275281, 864550562, 1296825843, 1729101124, 2593651686, 3458202248, 5187303372, 6916404496, 10374606744, 20749213488]

約数ペア:

[(1, 20749213488), (2, 10374606744), (3, 6916404496), (4, 5187303372), (6, 3458202248), (8, 2593651686), (12, 1729101124), (16, 1296825843), (24, 864550562), (48, 432275281), (79, 262648272), (158, 131324136), (237, 87549424), (316, 65662068), (467, 44430864), (474, 43774712), (632, 32831034), (934, 22215432), (948, 21887356), (1264, 16415517), (1401, 14810288), (1868, 11107716), (1896, 10943678), (2802, 7405144), (3736, 5553858), (3792, 5471839), (5604, 3702572), (7472, 2776929), (11208, 1851286), (11717, 1770864), (22416, 925643), (23434, 885432), (35151, 590288), (36893, 562416), (46868, 442716), (70302, 295144), (73786, 281208), (93736, 221358), (110679, 187472), (140604, 147572)]