20189675517

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{374653}}^1$

素因数の和:374761

約数の個数: 32

約数和(自身を含む): 31075301376

約数和(自身を除く): 10885625859

約数列:

[1, 3, 11, 23, 33, 69, 71, 213, 253, 759, 781, 1633, 2343, 4899, 17963, 53889, 374653, 1123959, 4121183, 8617019, 12363549, 25851057, 26600363, 79801089, 94787209, 284361627, 292603993, 611808349, 877811979, 1835425047, 6729891839, 20189675517]

約数ペア:

[(1, 20189675517), (3, 6729891839), (11, 1835425047), (23, 877811979), (33, 611808349), (69, 292603993), (71, 284361627), (213, 94787209), (253, 79801089), (759, 26600363), (781, 25851057), (1633, 12363549), (2343, 8617019), (4899, 4121183), (17963, 1123959), (53889, 374653)]