20953936

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{4211}}^1$

素因数の和:4530

約数の個数: 20

約数和(自身を含む): 40738464

約数和(自身を除く): 19784528

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4211, 4976, 8422, 16844, 33688, 67376, 1309621, 2619242, 5238484, 10476968, 20953936]

約数ペア:

[(1, 20953936), (2, 10476968), (4, 5238484), (8, 2619242), (16, 1309621), (311, 67376), (622, 33688), (1244, 16844), (2488, 8422), (4211, 4976)]