20697366921

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1690547}}^1$

素因数の和:1690621

約数の個数: 32

約数和(自身を含む): 35055203328

約数和(自身を除く): 14357836407

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1749, 4081, 12243, 1690547, 5071641, 11833829, 18596017, 35501487, 55788051, 89598991, 130172119, 268796973, 390516357, 627192937, 985588901, 1881578811, 2956766703, 6899122307, 20697366921]

約数ペア:

[(1, 20697366921), (3, 6899122307), (7, 2956766703), (11, 1881578811), (21, 985588901), (33, 627192937), (53, 390516357), (77, 268796973), (159, 130172119), (231, 89598991), (371, 55788051), (583, 35501487), (1113, 18596017), (1749, 11833829), (4081, 5071641), (12243, 1690547)]