20418636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5653}}^1$

素因数の和:5710

約数の個数: 48

約数和(自身を含む): 55725824

約数和(自身を除く): 35307188

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, 5653, 11306, 16959, 22612, 33918, 39571, 67836, 79142, 118713, 158284, 237426, 243079, 474852, 486158, 729237, 972316, 1458474, 1701553, 2916948, 3403106, 5104659, 6806212, 10209318, 20418636]

約数ペア:

[(1, 20418636), (2, 10209318), (3, 6806212), (4, 5104659), (6, 3403106), (7, 2916948), (12, 1701553), (14, 1458474), (21, 972316), (28, 729237), (42, 486158), (43, 474852), (84, 243079), (86, 237426), (129, 158284), (172, 118713), (258, 79142), (301, 67836), (516, 39571), (602, 33918), (903, 22612), (1204, 16959), (1806, 11306), (3612, 5653)]