20797350

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{683}}^1$

素因数の和:734

約数の個数: 96

約数和(自身を含む): 61067520

約数和(自身を除く): 40270170

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 29, 30, 35, 42, 50, 58, 70, 75, 87, 105, 145, 150, 174, 175, 203, 210, 290, 350, 406, 435, 525, 609, 683, 725, 870, 1015, 1050, 1218, 1366, 1450, 2030, 2049, 2175, 3045, 3415, 4098, 4350, 4781, 5075, 6090, 6830, 9562, 10150, 10245, 14343, 15225, 17075, 19807, 20490, 23905, 28686, 30450, 34150, 39614, 47810, 51225, 59421, 71715, 99035, 102450, 118842, 119525, 138649, 143430, 198070, 239050, 277298, 297105, 358575, 415947, 495175, 594210, 693245, 717150, 831894, 990350, 1386490, 1485525, 2079735, 2971050, 3466225, 4159470, 6932450, 10398675, 20797350]

約数ペア:

[(1, 20797350), (2, 10398675), (3, 6932450), (5, 4159470), (6, 3466225), (7, 2971050), (10, 2079735), (14, 1485525), (15, 1386490), (21, 990350), (25, 831894), (29, 717150), (30, 693245), (35, 594210), (42, 495175), (50, 415947), (58, 358575), (70, 297105), (75, 277298), (87, 239050), (105, 198070), (145, 143430), (150, 138649), (174, 119525), (175, 118842), (203, 102450), (210, 99035), (290, 71715), (350, 59421), (406, 51225), (435, 47810), (525, 39614), (609, 34150), (683, 30450), (725, 28686), (870, 23905), (1015, 20490), (1050, 19807), (1218, 17075), (1366, 15225), (1450, 14343), (2030, 10245), (2049, 10150), (2175, 9562), (3045, 6830), (3415, 6090), (4098, 5075), (4350, 4781)]