20228418

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4339}}^1$

素因数の和:4391

約数の個数: 48

約数和(自身を含む): 51455040

約数和(自身を除く): 31226622

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4339, 4662, 8678, 13017, 26034, 30373, 39051, 60746, 78102, 91119, 160543, 182238, 273357, 321086, 481629, 546714, 963258, 1123801, 1444887, 2247602, 2889774, 3371403, 6742806, 10114209, 20228418]

約数ペア:

[(1, 20228418), (2, 10114209), (3, 6742806), (6, 3371403), (7, 2889774), (9, 2247602), (14, 1444887), (18, 1123801), (21, 963258), (37, 546714), (42, 481629), (63, 321086), (74, 273357), (111, 182238), (126, 160543), (222, 91119), (259, 78102), (333, 60746), (518, 39051), (666, 30373), (777, 26034), (1554, 13017), (2331, 8678), (4339, 4662)]