20786194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72679}}^1$

素因数の和:72705

約数の個数: 16

約数和(自身を含む): 36630720

約数和(自身を除く): 15844526

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72679, 145358, 799469, 944827, 1598938, 1889654, 10393097, 20786194]

約数ペア:

[(1, 20786194), (2, 10393097), (11, 1889654), (13, 1598938), (22, 944827), (26, 799469), (143, 145358), (286, 72679)]