20949978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6833}}^1$

素因数の和:6918

約数の個数: 32

約数和(自身を含む): 48548736

約数和(自身を除く): 27598758

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 6833, 13666, 20499, 40998, 47831, 95662, 143493, 286986, 498809, 997618, 1496427, 2992854, 3491663, 6983326, 10474989, 20949978]

約数ペア:

[(1, 20949978), (2, 10474989), (3, 6983326), (6, 3491663), (7, 2992854), (14, 1496427), (21, 997618), (42, 498809), (73, 286986), (146, 143493), (219, 95662), (438, 47831), (511, 40998), (1022, 20499), (1533, 13666), (3066, 6833)]