20359564

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3391}}^1$

素因数の和:3493

約数の個数: 24

約数和(自身を含む): 37990400

約数和(自身を除く): 17630836

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 3391, 6004, 6782, 13564, 64429, 128858, 257716, 267889, 535778, 1071556, 5089891, 10179782, 20359564]

約数ペア:

[(1, 20359564), (2, 10179782), (4, 5089891), (19, 1071556), (38, 535778), (76, 267889), (79, 257716), (158, 128858), (316, 64429), (1501, 13564), (3002, 6782), (3391, 6004)]