20069679

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30829}}^1$

素因数の和:30870

約数の個数: 16

約数和(自身を含む): 31569920

約数和(自身を除く): 11500241

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 30829, 92487, 215803, 647409, 955699, 2867097, 6689893, 20069679]

約数ペア:

[(1, 20069679), (3, 6689893), (7, 2867097), (21, 955699), (31, 647409), (93, 215803), (217, 92487), (651, 30829)]