20339568

素因数分解:

$2^4\times 3^2\times {\mathrm{137}}^1\times {\mathrm{1031}}^1$

素因数の和:1182

約数の個数: 60

約数和(自身を含む): 57393648

約数和(自身を除く): 37054080

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 137, 144, 274, 411, 548, 822, 1031, 1096, 1233, 1644, 2062, 2192, 2466, 3093, 3288, 4124, 4932, 6186, 6576, 8248, 9279, 9864, 12372, 16496, 18558, 19728, 24744, 37116, 49488, 74232, 141247, 148464, 282494, 423741, 564988, 847482, 1129976, 1271223, 1694964, 2259952, 2542446, 3389928, 5084892, 6779856, 10169784, 20339568]

約数ペア:

[(1, 20339568), (2, 10169784), (3, 6779856), (4, 5084892), (6, 3389928), (8, 2542446), (9, 2259952), (12, 1694964), (16, 1271223), (18, 1129976), (24, 847482), (36, 564988), (48, 423741), (72, 282494), (137, 148464), (144, 141247), (274, 74232), (411, 49488), (548, 37116), (822, 24744), (1031, 19728), (1096, 18558), (1233, 16496), (1644, 12372), (2062, 9864), (2192, 9279), (2466, 8248), (3093, 6576), (3288, 6186), (4124, 4932)]