20071888

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{1951}}^1$

素因数の和:2602

約数の個数: 20

約数和(自身を含む): 38969728

約数和(自身を除く): 18897840

約数列:

[1, 2, 4, 8, 16, 643, 1286, 1951, 2572, 3902, 5144, 7804, 10288, 15608, 31216, 1254493, 2508986, 5017972, 10035944, 20071888]

約数ペア:

[(1, 20071888), (2, 10035944), (4, 5017972), (8, 2508986), (16, 1254493), (643, 31216), (1286, 15608), (1951, 10288), (2572, 7804), (3902, 5144)]