20850236

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1873}}^1$

素因数の和:1922

約数の個数: 36

約数和(自身を含む): 41872656

約数和(自身を除く): 21022420

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 121, 242, 253, 484, 506, 1012, 1873, 2783, 3746, 5566, 7492, 11132, 20603, 41206, 43079, 82412, 86158, 172316, 226633, 453266, 473869, 906532, 947738, 1895476, 5212559, 10425118, 20850236]

約数ペア:

[(1, 20850236), (2, 10425118), (4, 5212559), (11, 1895476), (22, 947738), (23, 906532), (44, 473869), (46, 453266), (92, 226633), (121, 172316), (242, 86158), (253, 82412), (484, 43079), (506, 41206), (1012, 20603), (1873, 11132), (2783, 7492), (3746, 5566)]