20857358

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{953}}^1$

素因数の和:1339

約数の個数: 16

約数和(自身を含む): 32420736

約数和(自身を除く): 11563378

約数列:

[1, 2, 31, 62, 353, 706, 953, 1906, 10943, 21886, 29543, 59086, 336409, 672818, 10428679, 20857358]

約数ペア:

[(1, 20857358), (2, 10428679), (31, 672818), (62, 336409), (353, 59086), (706, 29543), (953, 21886), (1906, 10943)]