20594240

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:619

約数の個数: 56

約数和(自身を含む): 49499520

約数和(自身を除く): 28905280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 463, 556, 695, 926, 1112, 1390, 1852, 2224, 2315, 2780, 3704, 4448, 4630, 5560, 7408, 8896, 9260, 11120, 14816, 18520, 22240, 29632, 37040, 44480, 64357, 74080, 128714, 148160, 257428, 321785, 514856, 643570, 1029712, 1287140, 2059424, 2574280, 4118848, 5148560, 10297120, 20594240]

約数ペア:

[(1, 20594240), (2, 10297120), (4, 5148560), (5, 4118848), (8, 2574280), (10, 2059424), (16, 1287140), (20, 1029712), (32, 643570), (40, 514856), (64, 321785), (80, 257428), (139, 148160), (160, 128714), (278, 74080), (320, 64357), (463, 44480), (556, 37040), (695, 29632), (926, 22240), (1112, 18520), (1390, 14816), (1852, 11120), (2224, 9260), (2315, 8896), (2780, 7408), (3704, 5560), (4448, 4630)]