20237133

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 32091136

約数和(自身を除く): 11854003

約数列:

[1, 3, 7, 21, 43, 73, 129, 219, 301, 307, 511, 903, 921, 1533, 2149, 3139, 6447, 9417, 13201, 21973, 22411, 39603, 65919, 67233, 92407, 156877, 277221, 470631, 963673, 2891019, 6745711, 20237133]

約数ペア:

[(1, 20237133), (3, 6745711), (7, 2891019), (21, 963673), (43, 470631), (73, 277221), (129, 156877), (219, 92407), (301, 67233), (307, 65919), (511, 39603), (903, 22411), (921, 21973), (1533, 13201), (2149, 9417), (3139, 6447)]