20176490828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{5323}}^1\times {\mathrm{72893}}^1$

素因数の和:78233

約数の個数: 24

約数和(自身を含む): 38032590288

約数和(自身を除く): 17856099460

約数列:

[1, 2, 4, 13, 26, 52, 5323, 10646, 21292, 69199, 72893, 138398, 145786, 276796, 291572, 947609, 1895218, 3790436, 388009439, 776018878, 1552037756, 5044122707, 10088245414, 20176490828]

約数ペア:

[(1, 20176490828), (2, 10088245414), (4, 5044122707), (13, 1552037756), (26, 776018878), (52, 388009439), (5323, 3790436), (10646, 1895218), (21292, 947609), (69199, 291572), (72893, 276796), (138398, 145786)]