20782135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4783}}^1$

素因数の和:4878

約数の個数: 16

約数和(自身を含む): 27555840

約数和(自身を除く): 6773705

約数列:

[1, 5, 11, 55, 79, 395, 869, 4345, 4783, 23915, 52613, 263065, 377857, 1889285, 4156427, 20782135]

約数ペア:

[(1, 20782135), (5, 4156427), (11, 1889285), (55, 377857), (79, 263065), (395, 52613), (869, 23915), (4345, 4783)]