20748630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3407}}^1$

素因数の和:3453

約数の個数: 64

約数和(自身を含む): 58890240

約数和(自身を除く): 38141610

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 609, 870, 1015, 1218, 2030, 3045, 3407, 6090, 6814, 10221, 17035, 20442, 23849, 34070, 47698, 51105, 71547, 98803, 102210, 119245, 143094, 197606, 238490, 296409, 357735, 494015, 592818, 691621, 715470, 988030, 1383242, 1482045, 2074863, 2964090, 3458105, 4149726, 6916210, 10374315, 20748630]

約数ペア:

[(1, 20748630), (2, 10374315), (3, 6916210), (5, 4149726), (6, 3458105), (7, 2964090), (10, 2074863), (14, 1482045), (15, 1383242), (21, 988030), (29, 715470), (30, 691621), (35, 592818), (42, 494015), (58, 357735), (70, 296409), (87, 238490), (105, 197606), (145, 143094), (174, 119245), (203, 102210), (210, 98803), (290, 71547), (406, 51105), (435, 47698), (609, 34070), (870, 23849), (1015, 20442), (1218, 17035), (2030, 10221), (3045, 6814), (3407, 6090)]