20254995

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2543}}^1$

素因数の和:2616

約数の個数: 32

約数和(自身を含む): 36633600

約数和(自身を除く): 16378605

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 885, 1593, 2543, 2655, 7629, 7965, 12715, 22887, 38145, 68661, 114435, 150037, 343305, 450111, 750185, 1350333, 2250555, 4050999, 6751665, 20254995]

約数ペア:

[(1, 20254995), (3, 6751665), (5, 4050999), (9, 2250555), (15, 1350333), (27, 750185), (45, 450111), (59, 343305), (135, 150037), (177, 114435), (295, 68661), (531, 38145), (885, 22887), (1593, 12715), (2543, 7965), (2655, 7629)]