20584040

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1483}}^1$

素因数の和:1841

約数の個数: 32

約数和(自身を含む): 46478880

約数和(自身を除く): 25894840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1483, 1735, 2776, 2966, 3470, 5932, 6940, 7415, 11864, 13880, 14830, 29660, 59320, 514601, 1029202, 2058404, 2573005, 4116808, 5146010, 10292020, 20584040]

約数ペア:

[(1, 20584040), (2, 10292020), (4, 5146010), (5, 4116808), (8, 2573005), (10, 2058404), (20, 1029202), (40, 514601), (347, 59320), (694, 29660), (1388, 14830), (1483, 13880), (1735, 11864), (2776, 7415), (2966, 6940), (3470, 5932)]