20189863315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1\times {\mathrm{6971}}^1$

素因数の和:7747

約数の個数: 32

約数和(自身を含む): 26136633600

約数和(自身を除く): 5946770285

約数列:

[1, 5, 19, 43, 95, 215, 709, 817, 3545, 4085, 6971, 13471, 30487, 34855, 67355, 132449, 152435, 299753, 579253, 662245, 1498765, 2896265, 4942439, 5695307, 24712195, 28476535, 93906341, 212524877, 469531705, 1062624385, 4037972663, 20189863315]

約数ペア:

[(1, 20189863315), (5, 4037972663), (19, 1062624385), (43, 469531705), (95, 212524877), (215, 93906341), (709, 28476535), (817, 24712195), (3545, 5695307), (4085, 4942439), (6971, 2896265), (13471, 1498765), (30487, 662245), (34855, 579253), (67355, 299753), (132449, 152435)]