20023724

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16631}}^1$

素因数の和:16685

約数の個数: 24

約数和(自身を含む): 40981248

約数和(自身を除く): 20957524

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16631, 33262, 66524, 116417, 232834, 465668, 715133, 1430266, 2860532, 5005931, 10011862, 20023724]

約数ペア:

[(1, 20023724), (2, 10011862), (4, 5005931), (7, 2860532), (14, 1430266), (28, 715133), (43, 465668), (86, 232834), (172, 116417), (301, 66524), (602, 33262), (1204, 16631)]