20906263294

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{205661}}^1$

素因数の和:205860

約数の個数: 32

約数和(自身を含む): 36782237376

約数和(自身を除く): 15875974082

約数列:

[1, 2, 7, 14, 53, 106, 137, 274, 371, 742, 959, 1918, 7261, 14522, 50827, 101654, 205661, 411322, 1439627, 2879254, 10900033, 21800066, 28175557, 56351114, 76300231, 152600462, 197228899, 394457798, 1493304521, 2986609042, 10453131647, 20906263294]

約数ペア:

[(1, 20906263294), (2, 10453131647), (7, 2986609042), (14, 1493304521), (53, 394457798), (106, 197228899), (137, 152600462), (274, 76300231), (371, 56351114), (742, 28175557), (959, 21800066), (1918, 10900033), (7261, 2879254), (14522, 1439627), (50827, 411322), (101654, 205661)]