20732144

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{3331}}^1$

素因数の和:3728

約数の個数: 20

約数和(自身を含む): 40283880

約数和(自身を除く): 19551736

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 3331, 6224, 6662, 13324, 26648, 53296, 1295759, 2591518, 5183036, 10366072, 20732144]

約数ペア:

[(1, 20732144), (2, 10366072), (4, 5183036), (8, 2591518), (16, 1295759), (389, 53296), (778, 26648), (1556, 13324), (3112, 6662), (3331, 6224)]