20351212

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16903}}^1$

素因数の和:16957

約数の個数: 24

約数和(自身を含む): 41651456

約数和(自身を除く): 21300244

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16903, 33806, 67612, 118321, 236642, 473284, 726829, 1453658, 2907316, 5087803, 10175606, 20351212]

約数ペア:

[(1, 20351212), (2, 10175606), (4, 5087803), (7, 2907316), (14, 1453658), (28, 726829), (43, 473284), (86, 236642), (172, 118321), (301, 67612), (602, 33806), (1204, 16903)]