20417188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7607}}^1$

素因数の和:7683

約数の個数: 24

約数和(自身を含む): 39622464

約数和(自身を除く): 19205276

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7607, 15214, 30428, 83677, 167354, 334708, 464027, 928054, 1856108, 5104297, 10208594, 20417188]

約数ペア:

[(1, 20417188), (2, 10208594), (4, 5104297), (11, 1856108), (22, 928054), (44, 464027), (61, 334708), (122, 167354), (244, 83677), (671, 30428), (1342, 15214), (2684, 7607)]