20782029

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 30553600

約数和(自身を除く): 9771571

約数列:

[1, 3, 19, 43, 57, 61, 129, 139, 183, 417, 817, 1159, 2451, 2623, 2641, 3477, 5977, 7869, 7923, 8479, 17931, 25437, 49837, 113563, 149511, 161101, 340689, 364597, 483303, 1093791, 6927343, 20782029]

約数ペア:

[(1, 20782029), (3, 6927343), (19, 1093791), (43, 483303), (57, 364597), (61, 340689), (129, 161101), (139, 149511), (183, 113563), (417, 49837), (817, 25437), (1159, 17931), (2451, 8479), (2623, 7923), (2641, 7869), (3477, 5977)]