20023796

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1559}}^1$

素因数の和:1608

約数の個数: 36

約数和(自身を含む): 39967200

約数和(自身を除く): 19943404

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 1559, 3118, 3211, 6236, 6422, 12844, 20267, 29621, 40534, 59242, 81068, 118484, 263471, 385073, 526942, 770146, 1053884, 1540292, 5005949, 10011898, 20023796]

約数ペア:

[(1, 20023796), (2, 10011898), (4, 5005949), (13, 1540292), (19, 1053884), (26, 770146), (38, 526942), (52, 385073), (76, 263471), (169, 118484), (247, 81068), (338, 59242), (494, 40534), (676, 29621), (988, 20267), (1559, 12844), (3118, 6422), (3211, 6236)]