20440161

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1303}}^1$

素因数の和:1402

約数の個数: 32

約数和(自身を含む): 35051520

約数和(自身を除く): 14611359

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 189, 249, 581, 747, 1303, 1743, 2241, 3909, 5229, 9121, 11727, 15687, 27363, 35181, 82089, 108149, 246267, 324447, 757043, 973341, 2271129, 2920023, 6813387, 20440161]

約数ペア:

[(1, 20440161), (3, 6813387), (7, 2920023), (9, 2271129), (21, 973341), (27, 757043), (63, 324447), (83, 246267), (189, 108149), (249, 82089), (581, 35181), (747, 27363), (1303, 15687), (1743, 11727), (2241, 9121), (3909, 5229)]