20703159

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 30750720

約数和(自身を除く): 10047561

約数列:

[1, 3, 9, 59, 127, 177, 307, 381, 531, 921, 1143, 2763, 7493, 18113, 22479, 38989, 54339, 67437, 116967, 163017, 350901, 2300351, 6901053, 20703159]

約数ペア:

[(1, 20703159), (3, 6901053), (9, 2300351), (59, 350901), (127, 163017), (177, 116967), (307, 67437), (381, 54339), (531, 38989), (921, 22479), (1143, 18113), (2763, 7493)]