20880516

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{32831}}^1$

素因数の和:32891

約数の個数: 24

約数和(自身を含む): 49641984

約数和(自身を除く): 28761468

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 32831, 65662, 98493, 131324, 196986, 393972, 1740043, 3480086, 5220129, 6960172, 10440258, 20880516]

約数ペア:

[(1, 20880516), (2, 10440258), (3, 6960172), (4, 5220129), (6, 3480086), (12, 1740043), (53, 393972), (106, 196986), (159, 131324), (212, 98493), (318, 65662), (636, 32831)]