20518372218

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^2\times {\mathrm{678383}}^1$

素因数の和:678530

約数の個数: 24

約数和(自身を含む): 41622928704

約数和(自身を除く): 21104556486

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 5041, 10082, 15123, 30246, 678383, 1356766, 2035149, 4070298, 48165193, 96330386, 144495579, 288991158, 3419728703, 6839457406, 10259186109, 20518372218]

約数ペア:

[(1, 20518372218), (2, 10259186109), (3, 6839457406), (6, 3419728703), (71, 288991158), (142, 144495579), (213, 96330386), (426, 48165193), (5041, 4070298), (10082, 2035149), (15123, 1356766), (30246, 678383)]