2020198725

素因数分解:

$3^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{11467}}^1$

素因数の和:11521

約数の個数: 72

約数和(自身を含む): 3882147360

約数和(自身を除く): 1861948635

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 135, 145, 225, 243, 261, 405, 435, 675, 725, 783, 1215, 1305, 2025, 2175, 2349, 3915, 6075, 6525, 7047, 11467, 11745, 19575, 34401, 35235, 57335, 58725, 103203, 172005, 176175, 286675, 309609, 332543, 516015, 860025, 928827, 997629, 1548045, 1662715, 2580075, 2786481, 2992887, 4644135, 4988145, 7740225, 8313575, 8978661, 13932405, 14964435, 23220675, 24940725, 26935983, 44893305, 69662025, 74822175, 80807949, 134679915, 224466525, 404039745, 673399575, 2020198725]

約数ペア:

[(1, 2020198725), (3, 673399575), (5, 404039745), (9, 224466525), (15, 134679915), (25, 80807949), (27, 74822175), (29, 69662025), (45, 44893305), (75, 26935983), (81, 24940725), (87, 23220675), (135, 14964435), (145, 13932405), (225, 8978661), (243, 8313575), (261, 7740225), (405, 4988145), (435, 4644135), (675, 2992887), (725, 2786481), (783, 2580075), (1215, 1662715), (1305, 1548045), (2025, 997629), (2175, 928827), (2349, 860025), (3915, 516015), (6075, 332543), (6525, 309609), (7047, 286675), (11467, 176175), (11745, 172005), (19575, 103203), (34401, 58725), (35235, 57335)]