20145403355

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{399433}}^1$

素因数の和:399587

約数の個数: 32

約数和(自身を含む): 30369765888

約数和(自身を除く): 10224362533

約数列:

[1, 5, 7, 11, 35, 55, 77, 131, 385, 655, 917, 1441, 4585, 7205, 10087, 50435, 399433, 1997165, 2796031, 4393763, 13980155, 21968815, 30756341, 52325723, 153781705, 261628615, 366280061, 575582953, 1831400305, 2877914765, 4029080671, 20145403355]

約数ペア:

[(1, 20145403355), (5, 4029080671), (7, 2877914765), (11, 1831400305), (35, 575582953), (55, 366280061), (77, 261628615), (131, 153781705), (385, 52325723), (655, 30756341), (917, 21968815), (1441, 13980155), (4585, 4393763), (7205, 2796031), (10087, 1997165), (50435, 399433)]