20247292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{971}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 38292912

約数和(自身を除く): 18045620

約数列:

[1, 2, 4, 13, 26, 52, 401, 802, 971, 1604, 1942, 3884, 5213, 10426, 12623, 20852, 25246, 50492, 389371, 778742, 1557484, 5061823, 10123646, 20247292]

約数ペア:

[(1, 20247292), (2, 10123646), (4, 5061823), (13, 1557484), (26, 778742), (52, 389371), (401, 50492), (802, 25246), (971, 20852), (1604, 12623), (1942, 10426), (3884, 5213)]