20500216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{277}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 43584840

約数和(自身を除く): 23084624

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 277, 319, 554, 638, 841, 1108, 1276, 1682, 2216, 2552, 3047, 3364, 6094, 6728, 8033, 9251, 12188, 16066, 18502, 24376, 32132, 37004, 64264, 74008, 88363, 176726, 232957, 353452, 465914, 706904, 931828, 1863656, 2562527, 5125054, 10250108, 20500216]

約数ペア:

[(1, 20500216), (2, 10250108), (4, 5125054), (8, 2562527), (11, 1863656), (22, 931828), (29, 706904), (44, 465914), (58, 353452), (88, 232957), (116, 176726), (232, 88363), (277, 74008), (319, 64264), (554, 37004), (638, 32132), (841, 24376), (1108, 18502), (1276, 16066), (1682, 12188), (2216, 9251), (2552, 8033), (3047, 6728), (3364, 6094)]