20942284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2659}}^1$

素因数の和:2853

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 19276916

約数列:

[1, 2, 4, 11, 22, 44, 179, 358, 716, 1969, 2659, 3938, 5318, 7876, 10636, 29249, 58498, 116996, 475961, 951922, 1903844, 5235571, 10471142, 20942284]

約数ペア:

[(1, 20942284), (2, 10471142), (4, 5235571), (11, 1903844), (22, 951922), (44, 475961), (179, 116996), (358, 58498), (716, 29249), (1969, 10636), (2659, 7876), (3938, 5318)]