20813493

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{11779}}^1$

素因数の和:11832

約数の個数: 16

約数和(自身を含む): 30156800

約数和(自身を除く): 9343307

約数列:

[1, 3, 19, 31, 57, 93, 589, 1767, 11779, 35337, 223801, 365149, 671403, 1095447, 6937831, 20813493]

約数ペア:

[(1, 20813493), (3, 6937831), (19, 1095447), (31, 671403), (57, 365149), (93, 223801), (589, 35337), (1767, 11779)]