20510070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{967}}^1$

素因数の和:1085

約数の個数: 64

約数和(自身を含む): 56871936

約数和(自身を除く): 36361866

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 101, 105, 202, 210, 303, 505, 606, 707, 967, 1010, 1414, 1515, 1934, 2121, 2901, 3030, 3535, 4242, 4835, 5802, 6769, 7070, 9670, 10605, 13538, 14505, 20307, 21210, 29010, 33845, 40614, 67690, 97667, 101535, 195334, 203070, 293001, 488335, 586002, 683669, 976670, 1367338, 1465005, 2051007, 2930010, 3418345, 4102014, 6836690, 10255035, 20510070]

約数ペア:

[(1, 20510070), (2, 10255035), (3, 6836690), (5, 4102014), (6, 3418345), (7, 2930010), (10, 2051007), (14, 1465005), (15, 1367338), (21, 976670), (30, 683669), (35, 586002), (42, 488335), (70, 293001), (101, 203070), (105, 195334), (202, 101535), (210, 97667), (303, 67690), (505, 40614), (606, 33845), (707, 29010), (967, 21210), (1010, 20307), (1414, 14505), (1515, 13538), (1934, 10605), (2121, 9670), (2901, 7070), (3030, 6769), (3535, 5802), (4242, 4835)]