20806094416

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{574627}}^1$

素因数の和:574739

約数の個数: 40

約数和(自身を含む): 42182292224

約数和(自身を除く): 21376197808

約数列:

[1, 2, 4, 8, 16, 31, 62, 73, 124, 146, 248, 292, 496, 584, 1168, 2263, 4526, 9052, 18104, 36208, 574627, 1149254, 2298508, 4597016, 9194032, 17813437, 35626874, 41947771, 71253748, 83895542, 142507496, 167791084, 285014992, 335582168, 671164336, 1300380901, 2600761802, 5201523604, 10403047208, 20806094416]

約数ペア:

[(1, 20806094416), (2, 10403047208), (4, 5201523604), (8, 2600761802), (16, 1300380901), (31, 671164336), (62, 335582168), (73, 285014992), (124, 167791084), (146, 142507496), (248, 83895542), (292, 71253748), (496, 41947771), (584, 35626874), (1168, 17813437), (2263, 9194032), (4526, 4597016), (9052, 2298508), (18104, 1149254), (36208, 574627)]