20027792

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{4987}}^1$

素因数の和:5246

約数の個数: 20

約数和(自身を含む): 38966256

約数和(自身を除く): 18938464

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 4987, 9974, 19948, 39896, 79792, 1251737, 2503474, 5006948, 10013896, 20027792]

約数ペア:

[(1, 20027792), (2, 10013896), (4, 5006948), (8, 2503474), (16, 1251737), (251, 79792), (502, 39896), (1004, 19948), (2008, 9974), (4016, 4987)]