20660656

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{19273}}^1$

素因数の和:19348

約数の個数: 20

約数和(自身を含む): 40629592

約数和(自身を除く): 19968936

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 19273, 38546, 77092, 154184, 308368, 1291291, 2582582, 5165164, 10330328, 20660656]

約数ペア:

[(1, 20660656), (2, 10330328), (4, 5165164), (8, 2582582), (16, 1291291), (67, 308368), (134, 154184), (268, 77092), (536, 38546), (1072, 19273)]