20163876831

素因数分解:

$3^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{171799}}^1$

素因数の和:171847

約数の個数: 56

約数和(自身を含む): 36053260800

約数和(自身を除く): 15889383969

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 567, 621, 729, 1449, 1701, 1863, 4347, 5103, 5589, 13041, 16767, 39123, 117369, 171799, 515397, 1202593, 1546191, 3607779, 3951377, 4638573, 10823337, 11854131, 13915719, 27659639, 32470011, 35562393, 41747157, 82978917, 97410033, 106687179, 125241471, 248936751, 292230099, 320061537, 746810253, 876690297, 960184611, 2240430759, 2880553833, 6721292277, 20163876831]

約数ペア:

[(1, 20163876831), (3, 6721292277), (7, 2880553833), (9, 2240430759), (21, 960184611), (23, 876690297), (27, 746810253), (63, 320061537), (69, 292230099), (81, 248936751), (161, 125241471), (189, 106687179), (207, 97410033), (243, 82978917), (483, 41747157), (567, 35562393), (621, 32470011), (729, 27659639), (1449, 13915719), (1701, 11854131), (1863, 10823337), (4347, 4638573), (5103, 3951377), (5589, 3607779), (13041, 1546191), (16767, 1202593), (39123, 515397), (117369, 171799)]