20468412

素因数分解:

$2^2\times 3^2\times {\mathrm{641}}^1\times {\mathrm{887}}^1$

素因数の和:1538

約数の個数: 36

約数和(自身を含む): 51878736

約数和(自身を除く): 31410324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 641, 887, 1282, 1774, 1923, 2564, 2661, 3548, 3846, 5322, 5769, 7692, 7983, 10644, 11538, 15966, 23076, 31932, 568567, 1137134, 1705701, 2274268, 3411402, 5117103, 6822804, 10234206, 20468412]

約数ペア:

[(1, 20468412), (2, 10234206), (3, 6822804), (4, 5117103), (6, 3411402), (9, 2274268), (12, 1705701), (18, 1137134), (36, 568567), (641, 31932), (887, 23076), (1282, 15966), (1774, 11538), (1923, 10644), (2564, 7983), (2661, 7692), (3548, 5769), (3846, 5322)]