20310155425

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{839}}^1$

素因数の和:1055

約数の個数: 96

約数和(自身を含む): 31198003200

約数和(自身を除く): 10887847775

約数列:

[1, 5, 7, 17, 25, 35, 79, 85, 103, 119, 175, 395, 425, 515, 553, 595, 721, 839, 1343, 1751, 1975, 2575, 2765, 2975, 3605, 4195, 5873, 6715, 8137, 8755, 9401, 12257, 13825, 14263, 18025, 20975, 29365, 33575, 40685, 43775, 47005, 56959, 61285, 66281, 71315, 86417, 99841, 138329, 146825, 203425, 235025, 284795, 306425, 331405, 356575, 432085, 463967, 499205, 604919, 691645, 968303, 1126777, 1423975, 1469089, 1657025, 2160425, 2319835, 2496025, 3024595, 3458225, 4841515, 5633885, 6826943, 7345445, 7887439, 10283623, 11599175, 15122975, 24207575, 28169425, 34134715, 36727225, 39437195, 47788601, 51418115, 116058031, 170673575, 197185975, 238943005, 257090575, 580290155, 812406217, 1194715025, 2901450775, 4062031085, 20310155425]

約数ペア:

[(1, 20310155425), (5, 4062031085), (7, 2901450775), (17, 1194715025), (25, 812406217), (35, 580290155), (79, 257090575), (85, 238943005), (103, 197185975), (119, 170673575), (175, 116058031), (395, 51418115), (425, 47788601), (515, 39437195), (553, 36727225), (595, 34134715), (721, 28169425), (839, 24207575), (1343, 15122975), (1751, 11599175), (1975, 10283623), (2575, 7887439), (2765, 7345445), (2975, 6826943), (3605, 5633885), (4195, 4841515), (5873, 3458225), (6715, 3024595), (8137, 2496025), (8755, 2319835), (9401, 2160425), (12257, 1657025), (13825, 1469089), (14263, 1423975), (18025, 1126777), (20975, 968303), (29365, 691645), (33575, 604919), (40685, 499205), (43775, 463967), (47005, 432085), (56959, 356575), (61285, 331405), (66281, 306425), (71315, 284795), (86417, 235025), (99841, 203425), (138329, 146825)]