20544068

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{313}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 36794520

約数和(自身を除く): 16250452

約数列:

[1, 2, 4, 61, 122, 244, 269, 313, 538, 626, 1076, 1252, 16409, 19093, 32818, 38186, 65636, 76372, 84197, 168394, 336788, 5136017, 10272034, 20544068]

約数ペア:

[(1, 20544068), (2, 10272034), (4, 5136017), (61, 336788), (122, 168394), (244, 84197), (269, 76372), (313, 65636), (538, 38186), (626, 32818), (1076, 19093), (1252, 16409)]