20413562

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 36701280

約数和(自身を除く): 16287718

約数列:

[1, 2, 13, 19, 26, 31, 38, 43, 62, 86, 247, 403, 494, 559, 589, 806, 817, 961, 1118, 1178, 1333, 1634, 1922, 2666, 7657, 10621, 12493, 15314, 17329, 18259, 21242, 24986, 25327, 34658, 36518, 41323, 50654, 82646, 237367, 329251, 474734, 537199, 658502, 785137, 1074398, 1570274, 10206781, 20413562]

約数ペア:

[(1, 20413562), (2, 10206781), (13, 1570274), (19, 1074398), (26, 785137), (31, 658502), (38, 537199), (43, 474734), (62, 329251), (86, 237367), (247, 82646), (403, 50654), (494, 41323), (559, 36518), (589, 34658), (806, 25327), (817, 24986), (961, 21242), (1118, 18259), (1178, 17329), (1333, 15314), (1634, 12493), (1922, 10621), (2666, 7657)]