20235510245

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{859}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 26548323840

約数和(自身を除く): 6312813595

約数列:

[1, 5, 19, 31, 95, 155, 361, 421, 589, 859, 1805, 2105, 2945, 4295, 7999, 11191, 13051, 16321, 26629, 39995, 55955, 65255, 81605, 133145, 151981, 247969, 310099, 361639, 505951, 759905, 1239845, 1550495, 1808195, 2529755, 4711411, 6871141, 9613069, 11210809, 23557055, 34355705, 48065345, 56054045, 130551679, 213005371, 652758395, 1065026855, 4047102049, 20235510245]

約数ペア:

[(1, 20235510245), (5, 4047102049), (19, 1065026855), (31, 652758395), (95, 213005371), (155, 130551679), (361, 56054045), (421, 48065345), (589, 34355705), (859, 23557055), (1805, 11210809), (2105, 9613069), (2945, 6871141), (4295, 4711411), (7999, 2529755), (11191, 1808195), (13051, 1550495), (16321, 1239845), (26629, 759905), (39995, 505951), (55955, 361639), (65255, 310099), (81605, 247969), (133145, 151981)]