20147678221

素因数分解:

${\mathrm{11}}^1\times {\mathrm{6571}}^1\times {\mathrm{278741}}^1$

素因数の和:285323

約数の個数: 8

約数和(自身を含む): 21982709088

約数和(自身を除く): 1835030867

約数列:

[1, 11, 6571, 72281, 278741, 3066151, 1831607111, 20147678221]

約数ペア:

[(1, 20147678221), (11, 1831607111), (6571, 3066151), (72281, 278741)]