20310276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5623}}^1$

素因数の和:5680

約数の個数: 48

約数和(自身を含む): 55430144

約数和(自身を除く): 35119868

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5623, 11246, 16869, 22492, 33738, 39361, 67476, 78722, 118083, 157444, 236166, 241789, 472332, 483578, 725367, 967156, 1450734, 1692523, 2901468, 3385046, 5077569, 6770092, 10155138, 20310276]

約数ペア:

[(1, 20310276), (2, 10155138), (3, 6770092), (4, 5077569), (6, 3385046), (7, 2901468), (12, 1692523), (14, 1450734), (21, 967156), (28, 725367), (42, 483578), (43, 472332), (84, 241789), (86, 236166), (129, 157444), (172, 118083), (258, 78722), (301, 67476), (516, 39361), (602, 33738), (903, 22492), (1204, 16869), (1806, 11246), (3612, 5623)]