20278474

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{463}}^1$

素因数の和:885

約数の個数: 16

約数和(自身を含む): 31069440

約数和(自身を除く): 10790966

約数列:

[1, 2, 61, 122, 359, 463, 718, 926, 21899, 28243, 43798, 56486, 166217, 332434, 10139237, 20278474]

約数ペア:

[(1, 20278474), (2, 10139237), (61, 332434), (122, 166217), (359, 56486), (463, 43798), (718, 28243), (926, 21899)]