20765904

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10061}}^1$

素因数の和:10115

約数の個数: 40

約数和(自身を含む): 54898272

約数和(自身を除く): 34132368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10061, 20122, 30183, 40244, 60366, 80488, 120732, 160976, 241464, 432623, 482928, 865246, 1297869, 1730492, 2595738, 3460984, 5191476, 6921968, 10382952, 20765904]

約数ペア:

[(1, 20765904), (2, 10382952), (3, 6921968), (4, 5191476), (6, 3460984), (8, 2595738), (12, 1730492), (16, 1297869), (24, 865246), (43, 482928), (48, 432623), (86, 241464), (129, 160976), (172, 120732), (258, 80488), (344, 60366), (516, 40244), (688, 30183), (1032, 20122), (2064, 10061)]