20683355

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1733}}^1$

素因数の和:1787

約数の個数: 32

約数和(自身を含む): 31961088

約数和(自身を除く): 11277733

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1705, 1733, 2387, 8665, 11935, 12131, 19063, 53723, 60655, 95315, 133441, 268615, 376061, 590953, 667205, 1880305, 2954765, 4136671, 20683355]

約数ペア:

[(1, 20683355), (5, 4136671), (7, 2954765), (11, 1880305), (31, 667205), (35, 590953), (55, 376061), (77, 268615), (155, 133441), (217, 95315), (341, 60655), (385, 53723), (1085, 19063), (1705, 12131), (1733, 11935), (2387, 8665)]