20871702

素因数分解:

$2^1\times 3^3\times {\mathrm{307}}^1\times {\mathrm{1259}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 25697898

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 307, 614, 921, 1259, 1842, 2518, 2763, 3777, 5526, 7554, 8289, 11331, 16578, 22662, 33993, 67986, 386513, 773026, 1159539, 2319078, 3478617, 6957234, 10435851, 20871702]

約数ペア:

[(1, 20871702), (2, 10435851), (3, 6957234), (6, 3478617), (9, 2319078), (18, 1159539), (27, 773026), (54, 386513), (307, 67986), (614, 33993), (921, 22662), (1259, 16578), (1842, 11331), (2518, 8289), (2763, 7554), (3777, 5526)]