20162272

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2851}}^1$

素因数の和:2891

約数の個数: 48

約数和(自身を含む): 45278352

約数和(自身を除く): 25116080

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 2851, 3536, 5702, 7072, 11404, 22808, 37063, 45616, 48467, 74126, 91232, 96934, 148252, 193868, 296504, 387736, 593008, 630071, 775472, 1186016, 1260142, 1550944, 2520284, 5040568, 10081136, 20162272]

約数ペア:

[(1, 20162272), (2, 10081136), (4, 5040568), (8, 2520284), (13, 1550944), (16, 1260142), (17, 1186016), (26, 775472), (32, 630071), (34, 593008), (52, 387736), (68, 296504), (104, 193868), (136, 148252), (208, 96934), (221, 91232), (272, 74126), (416, 48467), (442, 45616), (544, 37063), (884, 22808), (1768, 11404), (2851, 7072), (3536, 5702)]