20261321

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:392

約数の個数: 16

約数和(自身を含む): 22084608

約数和(自身を除く): 1823287

約数列:

[1, 23, 31, 157, 181, 713, 3611, 4163, 4867, 5611, 28417, 111941, 129053, 653591, 880927, 20261321]

約数ペア:

[(1, 20261321), (23, 880927), (31, 653591), (157, 129053), (181, 111941), (713, 28417), (3611, 5611), (4163, 4867)]