20598921

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1493}}^1$

素因数の和:1582

約数の個数: 32

約数和(自身を含む): 35377920

約数和(自身を除く): 14778999

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1493, 1533, 1971, 4479, 4599, 10451, 13437, 13797, 31353, 40311, 94059, 108989, 282177, 326967, 762923, 980901, 2288769, 2942703, 6866307, 20598921]

約数ペア:

[(1, 20598921), (3, 6866307), (7, 2942703), (9, 2288769), (21, 980901), (27, 762923), (63, 326967), (73, 282177), (189, 108989), (219, 94059), (511, 40311), (657, 31353), (1493, 13797), (1533, 13437), (1971, 10451), (4479, 4599)]