20125760165

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1780253}}^1$

素因数の和:1780301

約数の個数: 32

約数和(自身を含む): 30762789120

約数和(自身を除く): 10637028955

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 2261, 11305, 1780253, 8901265, 12461771, 30264301, 33824807, 62308855, 151321505, 169124035, 211850107, 236773649, 575021719, 1059250535, 1183868245, 2875108595, 4025152033, 20125760165]

約数ペア:

[(1, 20125760165), (5, 4025152033), (7, 2875108595), (17, 1183868245), (19, 1059250535), (35, 575021719), (85, 236773649), (95, 211850107), (119, 169124035), (133, 151321505), (323, 62308855), (595, 33824807), (665, 30264301), (1615, 12461771), (2261, 8901265), (11305, 1780253)]