20123366305

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{13619}}^1$

素因数の和:13838

約数の個数: 48

約数和(自身を含む): 29028905280

約数和(自身を除く): 8905538975

約数列:

[1, 5, 7, 35, 37, 49, 163, 185, 245, 259, 815, 1141, 1295, 1813, 5705, 6031, 7987, 9065, 13619, 30155, 39935, 42217, 68095, 95333, 211085, 295519, 476665, 503903, 667331, 1477595, 2219897, 2519515, 3336655, 3527321, 11099485, 15539279, 17636605, 24691247, 77696395, 82136189, 108774953, 123456235, 410680945, 543874765, 574953323, 2874766615, 4024673261, 20123366305]

約数ペア:

[(1, 20123366305), (5, 4024673261), (7, 2874766615), (35, 574953323), (37, 543874765), (49, 410680945), (163, 123456235), (185, 108774953), (245, 82136189), (259, 77696395), (815, 24691247), (1141, 17636605), (1295, 15539279), (1813, 11099485), (5705, 3527321), (6031, 3336655), (7987, 2519515), (9065, 2219897), (13619, 1477595), (30155, 667331), (39935, 503903), (42217, 476665), (68095, 295519), (95333, 211085)]