20938454

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{8237}}^1$

素因数の和:8311

約数の個数: 16

約数和(自身を含む): 33215616

約数和(自身を除く): 12277162

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 8237, 16474, 255347, 337717, 510694, 675434, 10469227, 20938454]

約数ペア:

[(1, 20938454), (2, 10469227), (31, 675434), (41, 510694), (62, 337717), (82, 255347), (1271, 16474), (2542, 8237)]