20763668

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2087

約数の個数: 24

約数和(自身を含む): 37810080

約数和(自身を除く): 17046412

約数列:

[1, 2, 4, 43, 61, 86, 122, 172, 244, 1979, 2623, 3958, 5246, 7916, 10492, 85097, 120719, 170194, 241438, 340388, 482876, 5190917, 10381834, 20763668]

約数ペア:

[(1, 20763668), (2, 10381834), (4, 5190917), (43, 482876), (61, 340388), (86, 241438), (122, 170194), (172, 120719), (244, 85097), (1979, 10492), (2623, 7916), (3958, 5246)]