19700365

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4373}}^1$

素因数の和:4448

約数の個数: 16

約数和(自身を含む): 25509168

約数和(自身を除く): 5808803

約数列:

[1, 5, 17, 53, 85, 265, 901, 4373, 4505, 21865, 74341, 231769, 371705, 1158845, 3940073, 19700365]

約数ペア:

[(1, 19700365), (5, 3940073), (17, 1158845), (53, 371705), (85, 231769), (265, 74341), (901, 21865), (4373, 4505)]