20176227

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 29824080

約数和(自身を除く): 9647853

約数列:

[1, 3, 9, 109, 131, 157, 327, 393, 471, 981, 1179, 1413, 14279, 17113, 20567, 42837, 51339, 61701, 128511, 154017, 185103, 2241803, 6725409, 20176227]

約数ペア:

[(1, 20176227), (3, 6725409), (9, 2241803), (109, 185103), (131, 154017), (157, 128511), (327, 61701), (393, 51339), (471, 42837), (981, 20567), (1179, 17113), (1413, 14279)]