20041406

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{719}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17698114

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 181, 362, 719, 1267, 1438, 1991, 2534, 3982, 5033, 7909, 10066, 13937, 15818, 27874, 55363, 110726, 130139, 260278, 910973, 1431529, 1821946, 2863058, 10020703, 20041406]

約数ペア:

[(1, 20041406), (2, 10020703), (7, 2863058), (11, 1821946), (14, 1431529), (22, 910973), (77, 260278), (154, 130139), (181, 110726), (362, 55363), (719, 27874), (1267, 15818), (1438, 13937), (1991, 10066), (2534, 7909), (3982, 5033)]