20164653925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{29959}}^1$

素因数の和:30110

約数の個数: 48

約数和(自身を含む): 28605808000

約数和(自身を除く): 8441154075

約数列:

[1, 5, 13, 19, 25, 65, 95, 109, 247, 325, 475, 545, 1235, 1417, 2071, 2725, 6175, 7085, 10355, 26923, 29959, 35425, 51775, 134615, 149795, 389467, 569221, 673075, 748975, 1947335, 2846105, 3265531, 7399873, 9736675, 14230525, 16327655, 36999365, 42451903, 62045089, 81638275, 184996825, 212259515, 310225445, 806586157, 1061297575, 1551127225, 4032930785, 20164653925]

約数ペア:

[(1, 20164653925), (5, 4032930785), (13, 1551127225), (19, 1061297575), (25, 806586157), (65, 310225445), (95, 212259515), (109, 184996825), (247, 81638275), (325, 62045089), (475, 42451903), (545, 36999365), (1235, 16327655), (1417, 14230525), (2071, 9736675), (2725, 7399873), (6175, 3265531), (7085, 2846105), (10355, 1947335), (26923, 748975), (29959, 673075), (35425, 569221), (51775, 389467), (134615, 149795)]