20577374

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{1117}}^1$

素因数の和:1331

約数の個数: 16

約数和(自身を含む): 31608096

約数和(自身を除く): 11030722

約数列:

[1, 2, 61, 122, 151, 302, 1117, 2234, 9211, 18422, 68137, 136274, 168667, 337334, 10288687, 20577374]

約数ペア:

[(1, 20577374), (2, 10288687), (61, 337334), (122, 168667), (151, 136274), (302, 68137), (1117, 18422), (2234, 9211)]