20817846

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23603}}^1$

素因数の和:23625

約数の個数: 36

約数和(自身を含む): 52471692

約数和(自身を除く): 31653846

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 23603, 47206, 70809, 141618, 165221, 212427, 330442, 424854, 495663, 991326, 1156547, 1486989, 2313094, 2973978, 3469641, 6939282, 10408923, 20817846]

約数ペア:

[(1, 20817846), (2, 10408923), (3, 6939282), (6, 3469641), (7, 2973978), (9, 2313094), (14, 1486989), (18, 1156547), (21, 991326), (42, 495663), (49, 424854), (63, 330442), (98, 212427), (126, 165221), (147, 141618), (294, 70809), (441, 47206), (882, 23603)]