20404779538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10267}}^1\times {\mathrm{6949}}^1$

素因数の和:17242

約数の個数: 32

約数和(自身を含む): 35966750400

約数和(自身を除く): 15561970862

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 6949, 10267, 13898, 20534, 76439, 90337, 112937, 133471, 152878, 180674, 225874, 266942, 993707, 1468181, 1987414, 2936362, 71345383, 142690766, 784799213, 927489979, 1569598426, 1854979958, 10202389769, 20404779538]

約数ペア:

[(1, 20404779538), (2, 10202389769), (11, 1854979958), (13, 1569598426), (22, 927489979), (26, 784799213), (143, 142690766), (286, 71345383), (6949, 2936362), (10267, 1987414), (13898, 1468181), (20534, 993707), (76439, 266942), (90337, 225874), (112937, 180674), (133471, 152878)]