20907650

素因数分解:

$2^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1543}}^1$

素因数の和:1826

約数の個数: 24

約数和(自身を含む): 39057024

約数和(自身を除く): 18149374

約数列:

[1, 2, 5, 10, 25, 50, 271, 542, 1355, 1543, 2710, 3086, 6775, 7715, 13550, 15430, 38575, 77150, 418153, 836306, 2090765, 4181530, 10453825, 20907650]

約数ペア:

[(1, 20907650), (2, 10453825), (5, 4181530), (10, 2090765), (25, 836306), (50, 418153), (271, 77150), (542, 38575), (1355, 15430), (1543, 13550), (2710, 7715), (3086, 6775)]