20958156908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{7121}}^1\times {\mathrm{56599}}^1$

素因数の和:63737

約数の個数: 24

約数和(自身を含む): 39504309600

約数和(自身を除く): 18546152692

約数列:

[1, 2, 4, 13, 26, 52, 7121, 14242, 28484, 56599, 92573, 113198, 185146, 226396, 370292, 735787, 1471574, 2943148, 403041479, 806082958, 1612165916, 5239539227, 10479078454, 20958156908]

約数ペア:

[(1, 20958156908), (2, 10479078454), (4, 5239539227), (13, 1612165916), (26, 806082958), (52, 403041479), (7121, 2943148), (14242, 1471574), (28484, 735787), (56599, 370292), (92573, 226396), (113198, 185146)]