20806863465

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1149233}}^1$

素因数の和:1149329

約数の個数: 32

約数和(自身を含む): 35745774336

約数和(自身を除く): 14938910871

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1065, 1207, 3621, 6035, 18105, 1149233, 3447699, 5746165, 17238495, 19536961, 58610883, 81595543, 97684805, 244786629, 293054415, 407977715, 1223933145, 1387124231, 4161372693, 6935621155, 20806863465]

約数ペア:

[(1, 20806863465), (3, 6935621155), (5, 4161372693), (15, 1387124231), (17, 1223933145), (51, 407977715), (71, 293054415), (85, 244786629), (213, 97684805), (255, 81595543), (355, 58610883), (1065, 19536961), (1207, 17238495), (3621, 5746165), (6035, 3447699), (18105, 1149233)]