20642966

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3929}}^1$

素因数の和:4039

約数の個数: 16

約数和(自身を含む): 32257440

約数和(自身を除く): 11614474

約数列:

[1, 2, 37, 71, 74, 142, 2627, 3929, 5254, 7858, 145373, 278959, 290746, 557918, 10321483, 20642966]

約数ペア:

[(1, 20642966), (2, 10321483), (37, 557918), (71, 290746), (74, 278959), (142, 145373), (2627, 7858), (3929, 5254)]