20975828

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 37373952

約数和(自身を除く): 16398124

約数列:

[1, 2, 4, 127, 157, 254, 263, 314, 508, 526, 628, 1052, 19939, 33401, 39878, 41291, 66802, 79756, 82582, 133604, 165164, 5243957, 10487914, 20975828]

約数ペア:

[(1, 20975828), (2, 10487914), (4, 5243957), (127, 165164), (157, 133604), (254, 82582), (263, 79756), (314, 66802), (508, 41291), (526, 39878), (628, 33401), (1052, 19939)]