20162787824

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{12991487}}^1$

素因数の和:12991592

約数の個数: 20

約数和(自身を含む): 39468140544

約数和(自身を除く): 19305352720

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 12991487, 25982974, 51965948, 103931896, 207863792, 1260174239, 2520348478, 5040696956, 10081393912, 20162787824]

約数ペア:

[(1, 20162787824), (2, 10081393912), (4, 5040696956), (8, 2520348478), (16, 1260174239), (97, 207863792), (194, 103931896), (388, 51965948), (776, 25982974), (1552, 12991487)]