20559605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{10103}}^1$

素因数の和:10156

約数の個数: 16

約数和(自身を含む): 27644544

約数和(自身を除く): 7084939

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 10103, 50515, 111133, 373811, 555665, 1869055, 4111921, 20559605]

約数ペア:

[(1, 20559605), (5, 4111921), (11, 1869055), (37, 555665), (55, 373811), (185, 111133), (407, 50515), (2035, 10103)]