20331773

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3719}}^1$

素因数の和:3808

約数の個数: 16

約数和(自身を含む): 25712640

約数和(自身を除く): 5380867

約数列:

[1, 7, 11, 71, 77, 497, 781, 3719, 5467, 26033, 40909, 264049, 286363, 1848343, 2904539, 20331773]

約数ペア:

[(1, 20331773), (7, 2904539), (11, 1848343), (71, 286363), (77, 264049), (497, 40909), (781, 26033), (3719, 5467)]