20653835

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1321}}^1$

素因数の和:1438

約数の個数: 16

約数和(自身を含む): 25699680

約数和(自身を除く): 5045845

約数列:

[1, 5, 53, 59, 265, 295, 1321, 3127, 6605, 15635, 70013, 77939, 350065, 389695, 4130767, 20653835]

約数ペア:

[(1, 20653835), (5, 4130767), (53, 389695), (59, 350065), (265, 77939), (295, 70013), (1321, 15635), (3127, 6605)]