20731644

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3533}}^1$

素因数の和:3706

約数の個数: 36

約数和(自身を含む): 52741416

約数和(自身を除く): 32009772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 3533, 5868, 7066, 10599, 14132, 21198, 31797, 42396, 63594, 127188, 575879, 1151758, 1727637, 2303516, 3455274, 5182911, 6910548, 10365822, 20731644]

約数ペア:

[(1, 20731644), (2, 10365822), (3, 6910548), (4, 5182911), (6, 3455274), (9, 2303516), (12, 1727637), (18, 1151758), (36, 575879), (163, 127188), (326, 63594), (489, 42396), (652, 31797), (978, 21198), (1467, 14132), (1956, 10599), (2934, 7066), (3533, 5868)]