20661036136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1361}}^1\times {\mathrm{145969}}^1$

素因数の和:147349

約数の個数: 32

約数和(自身を含む): 41750339400

約数和(自身を除く): 21089303264

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1361, 2722, 5444, 10888, 17693, 35386, 70772, 141544, 145969, 291938, 583876, 1167752, 1897597, 3795194, 7590388, 15180776, 198663809, 397327618, 794655236, 1589310472, 2582629517, 5165259034, 10330518068, 20661036136]

約数ペア:

[(1, 20661036136), (2, 10330518068), (4, 5165259034), (8, 2582629517), (13, 1589310472), (26, 794655236), (52, 397327618), (104, 198663809), (1361, 15180776), (2722, 7590388), (5444, 3795194), (10888, 1897597), (17693, 1167752), (35386, 583876), (70772, 291938), (141544, 145969)]