20381823

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29411}}^1$

素因数の和:29435

約数の個数: 24

約数和(自身を含む): 36706176

約数和(自身を除く): 16324353

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 29411, 88233, 205877, 264699, 323521, 617631, 970563, 1852893, 2264647, 2911689, 6793941, 20381823]

約数ペア:

[(1, 20381823), (3, 6793941), (7, 2911689), (9, 2264647), (11, 1852893), (21, 970563), (33, 617631), (63, 323521), (77, 264699), (99, 205877), (231, 88233), (693, 29411)]