20739816

素因数分解:

$2^3\times 3^2\times {\mathrm{288053}}^1$

素因数の和:288065

約数の個数: 24

約数和(自身を含む): 56170530

約数和(自身を除く): 35430714

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 288053, 576106, 864159, 1152212, 1728318, 2304424, 2592477, 3456636, 5184954, 6913272, 10369908, 20739816]

約数ペア:

[(1, 20739816), (2, 10369908), (3, 6913272), (4, 5184954), (6, 3456636), (8, 2592477), (9, 2304424), (12, 1728318), (18, 1152212), (24, 864159), (36, 576106), (72, 288053)]