20879774

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11587}}^1$

素因数の和:11659

約数の個数: 16

約数和(自身を含む): 33790608

約数和(自身を除く): 12910834

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 11587, 23174, 196979, 393958, 614111, 1228222, 10439887, 20879774]

約数ペア:

[(1, 20879774), (2, 10439887), (17, 1228222), (34, 614111), (53, 393958), (106, 196979), (901, 23174), (1802, 11587)]