20940926

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7549}}^1$

素因数の和:7643

約数の個数: 16

約数和(自身を含む): 33522000

約数和(自身を除く): 12581074

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 7549, 15098, 143431, 286862, 551077, 1102154, 10470463, 20940926]

約数ペア:

[(1, 20940926), (2, 10470463), (19, 1102154), (38, 551077), (73, 286862), (146, 143431), (1387, 15098), (2774, 7549)]