20163089997

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{49069}}^1$

素因数の和:49192

約数の個数: 48

約数和(自身を含む): 32150664000

約数和(自身を除く): 11987574003

約数列:

[1, 3, 9, 19, 27, 57, 81, 89, 171, 243, 267, 513, 801, 1539, 1691, 2403, 4617, 5073, 7209, 15219, 21627, 45657, 49069, 136971, 147207, 410913, 441621, 932311, 1324863, 2796933, 3974589, 4367141, 8390799, 11923767, 13101423, 25172397, 39304269, 75517191, 82975679, 117912807, 226551573, 248927037, 353738421, 746781111, 1061215263, 2240343333, 6721029999, 20163089997]

約数ペア:

[(1, 20163089997), (3, 6721029999), (9, 2240343333), (19, 1061215263), (27, 746781111), (57, 353738421), (81, 248927037), (89, 226551573), (171, 117912807), (243, 82975679), (267, 75517191), (513, 39304269), (801, 25172397), (1539, 13101423), (1691, 11923767), (2403, 8390799), (4617, 4367141), (5073, 3974589), (7209, 2796933), (15219, 1324863), (21627, 932311), (45657, 441621), (49069, 410913), (136971, 147207)]