20278807

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:458

約数の個数: 16

約数和(自身を含む): 22254912

約数和(自身を除く): 1976105

約数列:

[1, 17, 53, 71, 317, 901, 1207, 3763, 5389, 16801, 22507, 63971, 285617, 382619, 1192871, 20278807]

約数ペア:

[(1, 20278807), (17, 1192871), (53, 382619), (71, 285617), (317, 63971), (901, 22507), (1207, 16801), (3763, 5389)]