20507751

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3511}}^1$

素因数の和:3587

約数の個数: 24

約数和(自身を含む): 32872320

約数和(自身を除く): 12364569

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 3511, 5841, 10533, 31599, 38621, 115863, 207149, 347589, 621447, 1864341, 2278639, 6835917, 20507751]

約数ペア:

[(1, 20507751), (3, 6835917), (9, 2278639), (11, 1864341), (33, 621447), (59, 347589), (99, 207149), (177, 115863), (531, 38621), (649, 31599), (1947, 10533), (3511, 5841)]