20154963

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{641}}^1$

素因数の和:914

約数の個数: 16

約数和(自身を含む): 27611136

約数和(自身を除く): 7456173

約数列:

[1, 3, 47, 141, 223, 641, 669, 1923, 10481, 30127, 31443, 90381, 142943, 428829, 6718321, 20154963]

約数ペア:

[(1, 20154963), (3, 6718321), (47, 428829), (141, 142943), (223, 90381), (641, 31443), (669, 30127), (1923, 10481)]