20164555856

素因数分解:

$2^4\times {\mathrm{2801}}^1\times {\mathrm{449941}}^1$

素因数の和:452750

約数の個数: 20

約数和(自身を含む): 39082862004

約数和(自身を除く): 18918306148

約数列:

[1, 2, 4, 8, 16, 2801, 5602, 11204, 22408, 44816, 449941, 899882, 1799764, 3599528, 7199056, 1260284741, 2520569482, 5041138964, 10082277928, 20164555856]

約数ペア:

[(1, 20164555856), (2, 10082277928), (4, 5041138964), (8, 2520569482), (16, 1260284741), (2801, 7199056), (5602, 3599528), (11204, 1799764), (22408, 899882), (44816, 449941)]