20163724040

素因数分解:

$2^3\times 5^1\times {\mathrm{27617}}^1\times {\mathrm{18253}}^1$

素因数の和:45881

約数の個数: 32

約数和(自身を含む): 45372507480

約数和(自身を除く): 25208783440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 18253, 27617, 36506, 55234, 73012, 91265, 110468, 138085, 146024, 182530, 220936, 276170, 365060, 552340, 730120, 1104680, 504093101, 1008186202, 2016372404, 2520465505, 4032744808, 5040931010, 10081862020, 20163724040]

約数ペア:

[(1, 20163724040), (2, 10081862020), (4, 5040931010), (5, 4032744808), (8, 2520465505), (10, 2016372404), (20, 1008186202), (40, 504093101), (18253, 1104680), (27617, 730120), (36506, 552340), (55234, 365060), (73012, 276170), (91265, 220936), (110468, 182530), (138085, 146024)]