20272977

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 31656960

約数和(自身を除く): 11383983

約数列:

[1, 3, 9, 27, 31, 53, 93, 159, 279, 457, 477, 837, 1371, 1431, 1643, 4113, 4929, 12339, 14167, 14787, 24221, 42501, 44361, 72663, 127503, 217989, 382509, 653967, 750851, 2252553, 6757659, 20272977]

約数ペア:

[(1, 20272977), (3, 6757659), (9, 2252553), (27, 750851), (31, 653967), (53, 382509), (93, 217989), (159, 127503), (279, 72663), (457, 44361), (477, 42501), (837, 24221), (1371, 14787), (1431, 14167), (1643, 12339), (4113, 4929)]