20570095

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{853}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 30989952

約数和(自身を除く): 10419857

約数列:

[1, 5, 7, 13, 35, 53, 65, 91, 265, 371, 455, 689, 853, 1855, 3445, 4265, 4823, 5971, 11089, 24115, 29855, 45209, 55445, 77623, 226045, 316463, 388115, 587717, 1582315, 2938585, 4114019, 20570095]

約数ペア:

[(1, 20570095), (5, 4114019), (7, 2938585), (13, 1582315), (35, 587717), (53, 388115), (65, 316463), (91, 226045), (265, 77623), (371, 55445), (455, 45209), (689, 29855), (853, 24115), (1855, 11089), (3445, 5971), (4265, 4823)]