20520884

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2267}}^1$

素因数の和:2375

約数の個数: 24

約数和(自身を含む): 37594368

約数和(自身を除く): 17073484

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 2263, 2267, 4526, 4534, 9052, 9068, 70277, 140554, 165491, 281108, 330982, 661964, 5130221, 10260442, 20520884]

約数ペア:

[(1, 20520884), (2, 10260442), (4, 5130221), (31, 661964), (62, 330982), (73, 281108), (124, 165491), (146, 140554), (292, 70277), (2263, 9068), (2267, 9052), (4526, 4534)]