20973216

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19861}}^1$

素因数の和:19885

約数の個数: 48

約数和(自身を含む): 60062688

約数和(自身を除く): 39089472

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 19861, 39722, 59583, 79444, 119166, 158888, 218471, 238332, 317776, 436942, 476664, 635552, 655413, 873884, 953328, 1310826, 1747768, 1906656, 2621652, 3495536, 5243304, 6991072, 10486608, 20973216]

約数ペア:

[(1, 20973216), (2, 10486608), (3, 6991072), (4, 5243304), (6, 3495536), (8, 2621652), (11, 1906656), (12, 1747768), (16, 1310826), (22, 953328), (24, 873884), (32, 655413), (33, 635552), (44, 476664), (48, 436942), (66, 317776), (88, 238332), (96, 218471), (132, 158888), (176, 119166), (264, 79444), (352, 59583), (528, 39722), (1056, 19861)]