20685813

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{6151}}^1$

素因数の和:6232

約数の個数: 16

約数和(自身を含む): 29529600

約数和(自身を除く): 8843787

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 6151, 18453, 116869, 350607, 362909, 1088727, 6895271, 20685813]

約数ペア:

[(1, 20685813), (3, 6895271), (19, 1088727), (57, 362909), (59, 350607), (177, 116869), (1121, 18453), (3363, 6151)]