20210744638

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{75980243}}^1$

素因数の和:75980271

約数の個数: 16

約数和(自身を含む): 36470517120

約数和(自身を除く): 16259772482

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 75980243, 151960486, 531861701, 1063723402, 1443624617, 2887249234, 10105372319, 20210744638]

約数ペア:

[(1, 20210744638), (2, 10105372319), (7, 2887249234), (14, 1443624617), (19, 1063723402), (38, 531861701), (133, 151960486), (266, 75980243)]