20565118

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^3$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 37483200

約数和(自身を除く): 16918082

約数列:

[1, 2, 7, 14, 29, 37, 58, 74, 203, 259, 406, 518, 1073, 1369, 2146, 2738, 7511, 9583, 15022, 19166, 39701, 50653, 79402, 101306, 277907, 354571, 555814, 709142, 1468937, 2937874, 10282559, 20565118]

約数ペア:

[(1, 20565118), (2, 10282559), (7, 2937874), (14, 1468937), (29, 709142), (37, 555814), (58, 354571), (74, 277907), (203, 101306), (259, 79402), (406, 50653), (518, 39701), (1073, 19166), (1369, 15022), (2146, 9583), (2738, 7511)]