20919605

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{35159}}^1$

素因数の和:35188

約数の個数: 16

約数和(自身を含む): 30378240

約数和(自身を除く): 9458635

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 35159, 175795, 246113, 597703, 1230565, 2988515, 4183921, 20919605]

約数ペア:

[(1, 20919605), (5, 4183921), (7, 2988515), (17, 1230565), (35, 597703), (85, 246113), (119, 175795), (595, 35159)]