20059893

素因数分解:

$3^6\times 7^1\times {\mathrm{3931}}^1$

素因数の和:3956

約数の個数: 28

約数和(自身を含む): 34381408

約数和(自身を除く): 14321515

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3931, 5103, 11793, 27517, 35379, 82551, 106137, 247653, 318411, 742959, 955233, 2228877, 2865699, 6686631, 20059893]

約数ペア:

[(1, 20059893), (3, 6686631), (7, 2865699), (9, 2228877), (21, 955233), (27, 742959), (63, 318411), (81, 247653), (189, 106137), (243, 82551), (567, 35379), (729, 27517), (1701, 11793), (3931, 5103)]