20730008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4241}}^1$

素因数の和:4307

約数の個数: 32

約数和(自身を含む): 42759360

約数和(自身を除く): 22029352

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4241, 4888, 8482, 16964, 33928, 55133, 110266, 199327, 220532, 398654, 441064, 797308, 1594616, 2591251, 5182502, 10365004, 20730008]

約数ペア:

[(1, 20730008), (2, 10365004), (4, 5182502), (8, 2591251), (13, 1594616), (26, 797308), (47, 441064), (52, 398654), (94, 220532), (104, 199327), (188, 110266), (376, 55133), (611, 33928), (1222, 16964), (2444, 8482), (4241, 4888)]