20762105721

素因数分解:

$3^1\times 7^1\times {\mathrm{7013}}^1\times {\mathrm{140977}}^1$

素因数の和:148000

約数の個数: 16

約数和(自身を含む): 31642230144

約数和(自身を除く): 10880124423

約数列:

[1, 3, 7, 21, 7013, 21039, 49091, 140977, 147273, 422931, 986839, 2960517, 988671701, 2966015103, 6920701907, 20762105721]

約数ペア:

[(1, 20762105721), (3, 6920701907), (7, 2966015103), (21, 988671701), (7013, 2960517), (21039, 986839), (49091, 422931), (140977, 147273)]