20189562355

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{403267}}^1$

素因数の和:403339

約数の個数: 32

約数和(自身を含む): 27873884160

約数和(自身を除く): 7684321805

約数列:

[1, 5, 17, 19, 31, 85, 95, 155, 323, 527, 589, 1615, 2635, 2945, 10013, 50065, 403267, 2016335, 6855539, 7662073, 12501277, 34277695, 38310365, 62506385, 130255241, 212521709, 237524263, 651276205, 1062608545, 1187621315, 4037912471, 20189562355]

約数ペア:

[(1, 20189562355), (5, 4037912471), (17, 1187621315), (19, 1062608545), (31, 651276205), (85, 237524263), (95, 212521709), (155, 130255241), (323, 62506385), (527, 38310365), (589, 34277695), (1615, 12501277), (2635, 7662073), (2945, 6855539), (10013, 2016335), (50065, 403267)]