20157529

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{727}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 24530688

約数和(自身を除く): 4373159

約数列:

[1, 7, 17, 119, 233, 727, 1631, 3961, 5089, 12359, 27727, 86513, 169391, 1185737, 2879647, 20157529]

約数ペア:

[(1, 20157529), (7, 2879647), (17, 1185737), (119, 169391), (233, 86513), (727, 27727), (1631, 12359), (3961, 5089)]