20166173878

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4581139}}^1$

素因数の和:4581243

約数の個数: 16

約数和(自身を含む): 31664839680

約数和(自身を除く): 11498665802

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 4581139, 9162278, 142015309, 284030618, 325260869, 650521738, 10083086939, 20166173878]

約数ペア:

[(1, 20166173878), (2, 10083086939), (31, 650521738), (62, 325260869), (71, 284030618), (142, 142015309), (2201, 9162278), (4402, 4581139)]