20343813

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 33162240

約数和(自身を除く): 12818427

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 761, 1273, 1407, 2283, 3819, 5327, 8911, 14459, 15981, 26733, 43377, 50987, 101213, 152961, 303639, 356909, 968753, 1070727, 2906259, 6781271, 20343813]

約数ペア:

[(1, 20343813), (3, 6781271), (7, 2906259), (19, 1070727), (21, 968753), (57, 356909), (67, 303639), (133, 152961), (201, 101213), (399, 50987), (469, 43377), (761, 26733), (1273, 15981), (1407, 14459), (2283, 8911), (3819, 5327)]