20179955859

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56526487}}^1$

素因数の和:56526514

約数の個数: 16

約数和(自身を含む): 32559257088

約数和(自身を除く): 12379301229

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56526487, 169579461, 395685409, 960950279, 1187056227, 2882850837, 6726651953, 20179955859]

約数ペア:

[(1, 20179955859), (3, 6726651953), (7, 2882850837), (17, 1187056227), (21, 960950279), (51, 395685409), (119, 169579461), (357, 56526487)]