20218691205

素因数分解:

$3^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{540679}}^1$

素因数の和:540970

約数の個数: 32

約数和(自身を含む): 36074169600

約数和(自身を除く): 15855478395

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 277, 831, 1385, 2493, 4155, 7479, 12465, 37395, 540679, 1622037, 2703395, 4866111, 8110185, 14598333, 24330555, 72991665, 149768083, 449304249, 748840415, 1347912747, 2246521245, 4043738241, 6739563735, 20218691205]

約数ペア:

[(1, 20218691205), (3, 6739563735), (5, 4043738241), (9, 2246521245), (15, 1347912747), (27, 748840415), (45, 449304249), (135, 149768083), (277, 72991665), (831, 24330555), (1385, 14598333), (2493, 8110185), (4155, 4866111), (7479, 2703395), (12465, 1622037), (37395, 540679)]