20416184

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7901}}^1$

素因数の和:7943

約数の個数: 32

約数和(自身を含む): 42670800

約数和(自身を除く): 22254616

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7901, 15802, 31604, 63208, 134317, 150119, 268634, 300238, 537268, 600476, 1074536, 1200952, 2552023, 5104046, 10208092, 20416184]

約数ペア:

[(1, 20416184), (2, 10208092), (4, 5104046), (8, 2552023), (17, 1200952), (19, 1074536), (34, 600476), (38, 537268), (68, 300238), (76, 268634), (136, 150119), (152, 134317), (323, 63208), (646, 31604), (1292, 15802), (2584, 7901)]