20139645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78979}}^1$

素因数の和:79004

約数の個数: 16

約数和(自身を含む): 34119360

約数和(自身を除く): 13979715

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 78979, 236937, 394895, 1184685, 1342643, 4027929, 6713215, 20139645]

約数ペア:

[(1, 20139645), (3, 6713215), (5, 4027929), (15, 1342643), (17, 1184685), (51, 394895), (85, 236937), (255, 78979)]