20651624

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9967}}^1$

素因数の和:10017

約数の個数: 32

約数和(自身を含む): 45454080

約数和(自身を除く): 24802456

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9967, 19934, 39868, 69769, 79736, 139538, 279076, 368779, 558152, 737558, 1475116, 2581453, 2950232, 5162906, 10325812, 20651624]

約数ペア:

[(1, 20651624), (2, 10325812), (4, 5162906), (7, 2950232), (8, 2581453), (14, 1475116), (28, 737558), (37, 558152), (56, 368779), (74, 279076), (148, 139538), (259, 79736), (296, 69769), (518, 39868), (1036, 19934), (2072, 9967)]