20411475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2287}}^1$

素因数の和:2324

約数の個数: 48

約数和(自身を含む): 40854528

約数和(自身を除く): 20443053

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1785, 2287, 2975, 6861, 8925, 11435, 16009, 34305, 38879, 48027, 57175, 80045, 116637, 171525, 194395, 240135, 272153, 400225, 583185, 816459, 971975, 1200675, 1360765, 2915925, 4082295, 6803825, 20411475]

約数ペア:

[(1, 20411475), (3, 6803825), (5, 4082295), (7, 2915925), (15, 1360765), (17, 1200675), (21, 971975), (25, 816459), (35, 583185), (51, 400225), (75, 272153), (85, 240135), (105, 194395), (119, 171525), (175, 116637), (255, 80045), (357, 57175), (425, 48027), (525, 38879), (595, 34305), (1275, 16009), (1785, 11435), (2287, 8925), (2975, 6861)]