20753643

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4091}}^1$

素因数の和:4202

約数の個数: 16

約数和(自身を含む): 29462400

約数和(自身を除く): 8708757

約数列:

[1, 3, 19, 57, 89, 267, 1691, 4091, 5073, 12273, 77729, 233187, 364099, 1092297, 6917881, 20753643]

約数ペア:

[(1, 20753643), (3, 6917881), (19, 1092297), (57, 364099), (89, 233187), (267, 77729), (1691, 12273), (4091, 5073)]