20509692488

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{2297}}^1\times {\mathrm{7109}}^1$

素因数の和:9569

約数の個数: 32

約数和(自身を含む): 38722908600

約数和(自身を除く): 18213216112

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 2297, 4594, 7109, 9188, 14218, 18376, 28436, 56872, 360629, 721258, 1116113, 1442516, 2232226, 2885032, 4464452, 8928904, 16329373, 32658746, 65317492, 130634984, 2563711561, 5127423122, 10254846244, 20509692488]

約数ペア:

[(1, 20509692488), (2, 10254846244), (4, 5127423122), (8, 2563711561), (157, 130634984), (314, 65317492), (628, 32658746), (1256, 16329373), (2297, 8928904), (4594, 4464452), (7109, 2885032), (9188, 2232226), (14218, 1442516), (18376, 1116113), (28436, 721258), (56872, 360629)]