20143792

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30707}}^1$

素因数の和:30756

約数の個数: 20

約数和(自身を含む): 39981816

約数和(自身を除く): 19838024

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30707, 61414, 122828, 245656, 491312, 1258987, 2517974, 5035948, 10071896, 20143792]

約数ペア:

[(1, 20143792), (2, 10071896), (4, 5035948), (8, 2517974), (16, 1258987), (41, 491312), (82, 245656), (164, 122828), (328, 61414), (656, 30707)]