20888021217

素因数分解:

$3^1\times 7^1\times {\mathrm{4211}}^1\times {\mathrm{236207}}^1$

素因数の和:240428

約数の個数: 16

約数和(自身を含む): 31837059072

約数和(自身を除く): 10949037855

約数列:

[1, 3, 7, 21, 4211, 12633, 29477, 88431, 236207, 708621, 1653449, 4960347, 994667677, 2984003031, 6962673739, 20888021217]

約数ペア:

[(1, 20888021217), (3, 6962673739), (7, 2984003031), (21, 994667677), (4211, 4960347), (12633, 1653449), (29477, 708621), (88431, 236207)]