20179856

素因数分解:

$2^4\times {\mathrm{53}}^2\times {\mathrm{449}}^1$

素因数の和:563

約数の個数: 30

約数和(自身を含む): 39938850

約数和(自身を除く): 19758994

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 449, 848, 898, 1796, 2809, 3592, 5618, 7184, 11236, 22472, 23797, 44944, 47594, 95188, 190376, 380752, 1261241, 2522482, 5044964, 10089928, 20179856]

約数ペア:

[(1, 20179856), (2, 10089928), (4, 5044964), (8, 2522482), (16, 1261241), (53, 380752), (106, 190376), (212, 95188), (424, 47594), (449, 44944), (848, 23797), (898, 22472), (1796, 11236), (2809, 7184), (3592, 5618)]