20181657328

素因数分解:

$2^4\times 7^1\times {\mathrm{3259}}^1\times {\mathrm{55291}}^1$

素因数の和:58565

約数の個数: 40

約数和(自身を含む): 44702476160

約数和(自身を除く): 24520818832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 3259, 6518, 13036, 22813, 26072, 45626, 52144, 55291, 91252, 110582, 182504, 221164, 365008, 387037, 442328, 774074, 884656, 1548148, 3096296, 6192592, 180193369, 360386738, 720773476, 1261353583, 1441546952, 2522707166, 2883093904, 5045414332, 10090828664, 20181657328]

約数ペア:

[(1, 20181657328), (2, 10090828664), (4, 5045414332), (7, 2883093904), (8, 2522707166), (14, 1441546952), (16, 1261353583), (28, 720773476), (56, 360386738), (112, 180193369), (3259, 6192592), (6518, 3096296), (13036, 1548148), (22813, 884656), (26072, 774074), (45626, 442328), (52144, 387037), (55291, 365008), (91252, 221164), (110582, 182504)]