20067866

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1553}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 37594368

約数和(自身を除く): 17526502

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 182, 497, 923, 994, 1553, 1846, 3106, 6461, 10871, 12922, 20189, 21742, 40378, 110263, 141323, 220526, 282646, 771841, 1433419, 1543682, 2866838, 10033933, 20067866]

約数ペア:

[(1, 20067866), (2, 10033933), (7, 2866838), (13, 1543682), (14, 1433419), (26, 771841), (71, 282646), (91, 220526), (142, 141323), (182, 110263), (497, 40378), (923, 21742), (994, 20189), (1553, 12922), (1846, 10871), (3106, 6461)]