20163397256

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{41318437}}^1$

素因数の和:41318504

約数の個数: 16

約数和(自身を含む): 38426147340

約数和(自身を除く): 18262750084

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 41318437, 82636874, 165273748, 330547496, 2520424657, 5040849314, 10081698628, 20163397256]

約数ペア:

[(1, 20163397256), (2, 10081698628), (4, 5040849314), (8, 2520424657), (61, 330547496), (122, 165273748), (244, 82636874), (488, 41318437)]