20565854421

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{9696301}}^1$

素因数の和:9696412

約数の個数: 16

約数和(自身を含む): 31648729728

約数和(自身を除く): 11082875307

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 9696301, 29088903, 67874107, 203622321, 979326401, 2937979203, 6855284807, 20565854421]

約数ペア:

[(1, 20565854421), (3, 6855284807), (7, 2937979203), (21, 979326401), (101, 203622321), (303, 67874107), (707, 29088903), (2121, 9696301)]