20688776

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{491}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 40737600

約数和(自身を除く): 20048824

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 229, 458, 491, 916, 982, 1832, 1964, 3928, 5267, 10534, 11293, 21068, 22586, 42136, 45172, 90344, 112439, 224878, 449756, 899512, 2586097, 5172194, 10344388, 20688776]

約数ペア:

[(1, 20688776), (2, 10344388), (4, 5172194), (8, 2586097), (23, 899512), (46, 449756), (92, 224878), (184, 112439), (229, 90344), (458, 45172), (491, 42136), (916, 22586), (982, 21068), (1832, 11293), (1964, 10534), (3928, 5267)]