20602498

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1061}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 37722240

約数和(自身を除く): 17119742

約数列:

[1, 2, 7, 14, 19, 38, 73, 133, 146, 266, 511, 1022, 1061, 1387, 2122, 2774, 7427, 9709, 14854, 19418, 20159, 40318, 77453, 141113, 154906, 282226, 542171, 1084342, 1471607, 2943214, 10301249, 20602498]

約数ペア:

[(1, 20602498), (2, 10301249), (7, 2943214), (14, 1471607), (19, 1084342), (38, 542171), (73, 282226), (133, 154906), (146, 141113), (266, 77453), (511, 40318), (1022, 20159), (1061, 19418), (1387, 14854), (2122, 9709), (2774, 7427)]