20840700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 60884992

約数和(自身を除く): 40044292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 127, 150, 254, 300, 381, 508, 547, 635, 762, 1094, 1270, 1524, 1641, 1905, 2188, 2540, 2735, 3175, 3282, 3810, 5470, 6350, 6564, 7620, 8205, 9525, 10940, 12700, 13675, 16410, 19050, 27350, 32820, 38100, 41025, 54700, 69469, 82050, 138938, 164100, 208407, 277876, 347345, 416814, 694690, 833628, 1042035, 1389380, 1736725, 2084070, 3473450, 4168140, 5210175, 6946900, 10420350, 20840700]

約数ペア:

[(1, 20840700), (2, 10420350), (3, 6946900), (4, 5210175), (5, 4168140), (6, 3473450), (10, 2084070), (12, 1736725), (15, 1389380), (20, 1042035), (25, 833628), (30, 694690), (50, 416814), (60, 347345), (75, 277876), (100, 208407), (127, 164100), (150, 138938), (254, 82050), (300, 69469), (381, 54700), (508, 41025), (547, 38100), (635, 32820), (762, 27350), (1094, 19050), (1270, 16410), (1524, 13675), (1641, 12700), (1905, 10940), (2188, 9525), (2540, 8205), (2735, 7620), (3175, 6564), (3282, 6350), (3810, 5470)]