20765665

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{3407}}^1$

素因数の和:3488

約数の個数: 16

約数和(自身を含む): 26500608

約数和(自身を除く): 5734943

約数列:

[1, 5, 23, 53, 115, 265, 1219, 3407, 6095, 17035, 78361, 180571, 391805, 902855, 4153133, 20765665]

約数ペア:

[(1, 20765665), (5, 4153133), (23, 902855), (53, 391805), (115, 180571), (265, 78361), (1219, 17035), (3407, 6095)]