20451736221

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10942609}}^1$

素因数の和:10942708

約数の個数: 16

約数和(自身を含む): 31514716800

約数和(自身を除く): 11062980579

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 10942609, 32827827, 76598263, 229794789, 973892201, 2921676603, 6817245407, 20451736221]

約数ペア:

[(1, 20451736221), (3, 6817245407), (7, 2921676603), (21, 973892201), (89, 229794789), (267, 76598263), (623, 32827827), (1869, 10942609)]