20403363

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{5351}}^1$

素因数の和:5426

約数の個数: 16

約数和(自身を含む): 28772352

約数和(自身を除く): 8368989

約数列:

[1, 3, 31, 41, 93, 123, 1271, 3813, 5351, 16053, 165881, 219391, 497643, 658173, 6801121, 20403363]

約数ペア:

[(1, 20403363), (3, 6801121), (31, 658173), (41, 497643), (93, 219391), (123, 165881), (1271, 16053), (3813, 5351)]