20111420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143653}}^1$

素因数の和:143669

約数の個数: 24

約数和(自身を含む): 48267744

約数和(自身を除く): 28156324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143653, 287306, 574612, 718265, 1005571, 1436530, 2011142, 2873060, 4022284, 5027855, 10055710, 20111420]

約数ペア:

[(1, 20111420), (2, 10055710), (4, 5027855), (5, 4022284), (7, 2873060), (10, 2011142), (14, 1436530), (20, 1005571), (28, 718265), (35, 574612), (70, 287306), (140, 143653)]