20512202025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{1327}}^1\times {\mathrm{29443}}^1$

素因数の和:30790

約数の個数: 48

約数和(自身を含む): 38788818944

約数和(自身を除く): 18276616919

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 1327, 3981, 6635, 9289, 19905, 27867, 29443, 33175, 46445, 88329, 99525, 139335, 147215, 206101, 232225, 441645, 618303, 696675, 736075, 1030505, 2208225, 3091515, 5152525, 15457575, 39070861, 117212583, 195354305, 273496027, 586062915, 820488081, 976771525, 1367480135, 2930314575, 4102440405, 6837400675, 20512202025]

約数ペア:

[(1, 20512202025), (3, 6837400675), (5, 4102440405), (7, 2930314575), (15, 1367480135), (21, 976771525), (25, 820488081), (35, 586062915), (75, 273496027), (105, 195354305), (175, 117212583), (525, 39070861), (1327, 15457575), (3981, 5152525), (6635, 3091515), (9289, 2208225), (19905, 1030505), (27867, 736075), (29443, 696675), (33175, 618303), (46445, 441645), (88329, 232225), (99525, 206101), (139335, 147215)]