20528028059

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{541}}^1\times {\mathrm{2753}}^1$

素因数の和:3491

約数の個数: 32

約数和(自身を含む): 25793303040

約数和(自身を除く): 5265274981

約数列:

[1, 7, 11, 77, 179, 541, 1253, 1969, 2753, 3787, 5951, 13783, 19271, 30283, 41657, 96839, 211981, 492787, 677873, 1065229, 1489373, 3449509, 5420657, 7456603, 10425611, 16383103, 37944599, 114681721, 266597767, 1866184369, 2932575437, 20528028059]

約数ペア:

[(1, 20528028059), (7, 2932575437), (11, 1866184369), (77, 266597767), (179, 114681721), (541, 37944599), (1253, 16383103), (1969, 10425611), (2753, 7456603), (3787, 5420657), (5951, 3449509), (13783, 1489373), (19271, 1065229), (30283, 677873), (41657, 492787), (96839, 211981)]