20793480016

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{265711}}^1$

素因数の和:265859

約数の個数: 40

約数和(自身を含む): 41448946304

約数和(自身を除く): 20655466288

約数列:

[1, 2, 4, 8, 16, 67, 73, 134, 146, 268, 292, 536, 584, 1072, 1168, 4891, 9782, 19564, 39128, 78256, 265711, 531422, 1062844, 2125688, 4251376, 17802637, 19396903, 35605274, 38793806, 71210548, 77587612, 142421096, 155175224, 284842192, 310350448, 1299592501, 2599185002, 5198370004, 10396740008, 20793480016]

約数ペア:

[(1, 20793480016), (2, 10396740008), (4, 5198370004), (8, 2599185002), (16, 1299592501), (67, 310350448), (73, 284842192), (134, 155175224), (146, 142421096), (268, 77587612), (292, 71210548), (536, 38793806), (584, 35605274), (1072, 19396903), (1168, 17802637), (4891, 4251376), (9782, 2125688), (19564, 1062844), (39128, 531422), (78256, 265711)]