20144460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47963}}^1$

素因数の和:47982

約数の個数: 48

約数和(自身を含む): 64463616

約数和(自身を除く): 44319156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47963, 95926, 143889, 191852, 239815, 287778, 335741, 479630, 575556, 671482, 719445, 959260, 1007223, 1342964, 1438890, 1678705, 2014446, 2877780, 3357410, 4028892, 5036115, 6714820, 10072230, 20144460]

約数ペア:

[(1, 20144460), (2, 10072230), (3, 6714820), (4, 5036115), (5, 4028892), (6, 3357410), (7, 2877780), (10, 2014446), (12, 1678705), (14, 1438890), (15, 1342964), (20, 1007223), (21, 959260), (28, 719445), (30, 671482), (35, 575556), (42, 479630), (60, 335741), (70, 287778), (84, 239815), (105, 191852), (140, 143889), (210, 95926), (420, 47963)]