20864808

素因数分解:

$2^3\times 3^2\times {\mathrm{289789}}^1$

素因数の和:289801

約数の個数: 24

約数和(自身を含む): 56509050

約数和(自身を除く): 35644242

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 289789, 579578, 869367, 1159156, 1738734, 2318312, 2608101, 3477468, 5216202, 6954936, 10432404, 20864808]

約数ペア:

[(1, 20864808), (2, 10432404), (3, 6954936), (4, 5216202), (6, 3477468), (8, 2608101), (9, 2318312), (12, 1738734), (18, 1159156), (24, 869367), (36, 579578), (72, 289789)]