20070387

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{563}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 30882384

約数和(自身を除く): 10811997

約数列:

[1, 3, 9, 17, 51, 153, 233, 563, 699, 1689, 2097, 3961, 5067, 9571, 11883, 28713, 35649, 86139, 131179, 393537, 1180611, 2230043, 6690129, 20070387]

約数ペア:

[(1, 20070387), (3, 6690129), (9, 2230043), (17, 1180611), (51, 393537), (153, 131179), (233, 86139), (563, 35649), (699, 28713), (1689, 11883), (2097, 9571), (3961, 5067)]