20937388

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2969}}^1$

素因数の和:3057

約数の個数: 24

約数和(自身を含む): 38419920

約数和(自身を除く): 17482532

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 1763, 2969, 3526, 5938, 7052, 11876, 121729, 127667, 243458, 255334, 486916, 510668, 5234347, 10468694, 20937388]

約数ペア:

[(1, 20937388), (2, 10468694), (4, 5234347), (41, 510668), (43, 486916), (82, 255334), (86, 243458), (164, 127667), (172, 121729), (1763, 11876), (2969, 7052), (3526, 5938)]