20167554485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{313721}}^1$

素因数の和:313805

約数の個数: 32

約数和(自身を含む): 27828396288

約数和(自身を除く): 7660841803

約数列:

[1, 5, 13, 23, 43, 65, 115, 215, 299, 559, 989, 1495, 2795, 4945, 12857, 64285, 313721, 1568605, 4078373, 7215583, 13490003, 20391865, 36077915, 67450015, 93802579, 175370039, 310270069, 469012895, 876850195, 1551350345, 4033510897, 20167554485]

約数ペア:

[(1, 20167554485), (5, 4033510897), (13, 1551350345), (23, 876850195), (43, 469012895), (65, 310270069), (115, 175370039), (215, 93802579), (299, 67450015), (559, 36077915), (989, 20391865), (1495, 13490003), (2795, 7215583), (4945, 4078373), (12857, 1568605), (64285, 313721)]