20457786

素因数分解:

$2^1\times 3^1\times {\mathrm{331}}^1\times {\mathrm{10301}}^1$

素因数の和:10637

約数の個数: 16

約数和(自身を含む): 41043168

約数和(自身を除く): 20585382

約数列:

[1, 2, 3, 6, 331, 662, 993, 1986, 10301, 20602, 30903, 61806, 3409631, 6819262, 10228893, 20457786]

約数ペア:

[(1, 20457786), (2, 10228893), (3, 6819262), (6, 3409631), (331, 61806), (662, 30903), (993, 20602), (1986, 10301)]