20930949025

素因数分解:

$5^2\times 7^3\times {\mathrm{37}}^2\times {\mathrm{1783}}^1$

素因数の和:1888

約数の個数: 72

約数和(自身を含む): 31125091200

約数和(自身を除く): 10194142175

約数列:

[1, 5, 7, 25, 35, 37, 49, 175, 185, 245, 259, 343, 925, 1225, 1295, 1369, 1715, 1783, 1813, 6475, 6845, 8575, 8915, 9065, 9583, 12481, 12691, 34225, 44575, 45325, 47915, 62405, 63455, 65971, 67081, 87367, 239575, 312025, 317275, 329855, 335405, 436835, 461797, 469567, 611569, 1649275, 1677025, 2184175, 2308985, 2347835, 2440927, 3057845, 3232579, 11544925, 11739175, 12204635, 15289225, 16162895, 17086489, 22628053, 61023175, 80814475, 85432445, 113140265, 119605423, 427162225, 565701325, 598027115, 837237961, 2990135575, 4186189805, 20930949025]

約数ペア:

[(1, 20930949025), (5, 4186189805), (7, 2990135575), (25, 837237961), (35, 598027115), (37, 565701325), (49, 427162225), (175, 119605423), (185, 113140265), (245, 85432445), (259, 80814475), (343, 61023175), (925, 22628053), (1225, 17086489), (1295, 16162895), (1369, 15289225), (1715, 12204635), (1783, 11739175), (1813, 11544925), (6475, 3232579), (6845, 3057845), (8575, 2440927), (8915, 2347835), (9065, 2308985), (9583, 2184175), (12481, 1677025), (12691, 1649275), (34225, 611569), (44575, 469567), (45325, 461797), (47915, 436835), (62405, 335405), (63455, 329855), (65971, 317275), (67081, 312025), (87367, 239575)]