20774831

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4423}}^1$

素因数の和:4502

約数の個数: 16

約数和(自身を含む): 26331648

約数和(自身を除く): 5556817

約数列:

[1, 7, 11, 61, 77, 427, 671, 4423, 4697, 30961, 48653, 269803, 340571, 1888621, 2967833, 20774831]

約数ペア:

[(1, 20774831), (7, 2967833), (11, 1888621), (61, 340571), (77, 269803), (427, 48653), (671, 30961), (4423, 4697)]