20812842

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{12433}}^1$

素因数の和:12475

約数の個数: 32

約数和(自身を含む): 47746560

約数和(自身を除く): 26933718

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 12433, 24866, 37299, 74598, 111897, 223794, 335691, 385423, 671382, 770846, 1156269, 2312538, 3468807, 6937614, 10406421, 20812842]

約数ペア:

[(1, 20812842), (2, 10406421), (3, 6937614), (6, 3468807), (9, 2312538), (18, 1156269), (27, 770846), (31, 671382), (54, 385423), (62, 335691), (93, 223794), (186, 111897), (279, 74598), (558, 37299), (837, 24866), (1674, 12433)]