20901340

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17713}}^1$

素因数の和:17781

約数の個数: 24

約数和(自身を含む): 44639280

約数和(自身を除く): 23737940

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 17713, 35426, 70852, 88565, 177130, 354260, 1045067, 2090134, 4180268, 5225335, 10450670, 20901340]

約数ペア:

[(1, 20901340), (2, 10450670), (4, 5225335), (5, 4180268), (10, 2090134), (20, 1045067), (59, 354260), (118, 177130), (236, 88565), (295, 70852), (590, 35426), (1180, 17713)]