20913656

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{16651}}^1$

素因数の和:16814

約数の個数: 16

約数和(自身を含む): 39465240

約数和(自身を除く): 18551584

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 16651, 33302, 66604, 133208, 2614207, 5228414, 10456828, 20913656]

約数ペア:

[(1, 20913656), (2, 10456828), (4, 5228414), (8, 2614207), (157, 133208), (314, 66604), (628, 33302), (1256, 16651)]