20219858729

素因数分解:

$7^1\times {\mathrm{19}}^3\times {\mathrm{421133}}^1$

素因数の和:421197

約数の個数: 16

約数和(自身を含む): 24392081280

約数和(自身を除く): 4172222551

約数列:

[1, 7, 19, 133, 361, 2527, 6859, 48013, 421133, 2947931, 8001527, 56010689, 152029013, 1064203091, 2888551247, 20219858729]

約数ペア:

[(1, 20219858729), (7, 2888551247), (19, 1064203091), (133, 152029013), (361, 56010689), (2527, 8001527), (6859, 2947931), (48013, 421133)]