20580778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20873}}^1$

素因数の和:20921

約数の個数: 16

約数和(自身を含む): 33815880

約数和(自身を除く): 13235102

約数列:

[1, 2, 17, 29, 34, 58, 493, 986, 20873, 41746, 354841, 605317, 709682, 1210634, 10290389, 20580778]

約数ペア:

[(1, 20580778), (2, 10290389), (17, 1210634), (29, 709682), (34, 605317), (58, 354841), (493, 41746), (986, 20873)]