20049616

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:451

約数の個数: 40

約数和(自身を含む): 40220640

約数和(自身を除く): 20171024

約数列:

[1, 2, 4, 8, 16, 59, 67, 118, 134, 236, 268, 317, 472, 536, 634, 944, 1072, 1268, 2536, 3953, 5072, 7906, 15812, 18703, 21239, 31624, 37406, 42478, 63248, 74812, 84956, 149624, 169912, 299248, 339824, 1253101, 2506202, 5012404, 10024808, 20049616]

約数ペア:

[(1, 20049616), (2, 10024808), (4, 5012404), (8, 2506202), (16, 1253101), (59, 339824), (67, 299248), (118, 169912), (134, 149624), (236, 84956), (268, 74812), (317, 63248), (472, 42478), (536, 37406), (634, 31624), (944, 21239), (1072, 18703), (1268, 15812), (2536, 7906), (3953, 5072)]