20118660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{613}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 56527296

約数和(自身を除く): 36408636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 547, 613, 1094, 1226, 1641, 1839, 2188, 2452, 2735, 3065, 3282, 3678, 5470, 6130, 6564, 7356, 8205, 9195, 10940, 12260, 16410, 18390, 32820, 36780, 335311, 670622, 1005933, 1341244, 1676555, 2011866, 3353110, 4023732, 5029665, 6706220, 10059330, 20118660]

約数ペア:

[(1, 20118660), (2, 10059330), (3, 6706220), (4, 5029665), (5, 4023732), (6, 3353110), (10, 2011866), (12, 1676555), (15, 1341244), (20, 1005933), (30, 670622), (60, 335311), (547, 36780), (613, 32820), (1094, 18390), (1226, 16410), (1641, 12260), (1839, 10940), (2188, 9195), (2452, 8205), (2735, 7356), (3065, 6564), (3282, 6130), (3678, 5470)]