20100307

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 22505472

約数和(自身を除く): 2405165

約数列:

[1, 17, 31, 43, 527, 731, 887, 1333, 15079, 22661, 27497, 38141, 467449, 648397, 1182371, 20100307]

約数ペア:

[(1, 20100307), (17, 1182371), (31, 648397), (43, 467449), (527, 38141), (731, 27497), (887, 22661), (1333, 15079)]