20161377691

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{347}}^1\times {\mathrm{2053}}^1$

素因数の和:2731

約数の個数: 32

約数和(自身を含む): 24977691648

約数和(自身を除く): 4816313957

約数列:

[1, 7, 13, 91, 311, 347, 2053, 2177, 2429, 4043, 4511, 14371, 26689, 28301, 31577, 107917, 186823, 638483, 712391, 755419, 1402921, 4469381, 4986737, 8300279, 9261083, 9820447, 58101953, 64827581, 221553601, 1550875207, 2880196813, 20161377691]

約数ペア:

[(1, 20161377691), (7, 2880196813), (13, 1550875207), (91, 221553601), (311, 64827581), (347, 58101953), (2053, 9820447), (2177, 9261083), (2429, 8300279), (4043, 4986737), (4511, 4469381), (14371, 1402921), (26689, 755419), (28301, 712391), (31577, 638483), (107917, 186823)]