20529774

素因数分解:

$2^1\times 3^4\times {\mathrm{353}}^1\times {\mathrm{359}}^1$

素因数の和:726

約数の個数: 40

約数和(自身を含む): 46260720

約数和(自身を除く): 25730946

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 353, 359, 706, 718, 1059, 1077, 2118, 2154, 3177, 3231, 6354, 6462, 9531, 9693, 19062, 19386, 28593, 29079, 57186, 58158, 126727, 253454, 380181, 760362, 1140543, 2281086, 3421629, 6843258, 10264887, 20529774]

約数ペア:

[(1, 20529774), (2, 10264887), (3, 6843258), (6, 3421629), (9, 2281086), (18, 1140543), (27, 760362), (54, 380181), (81, 253454), (162, 126727), (353, 58158), (359, 57186), (706, 29079), (718, 28593), (1059, 19386), (1077, 19062), (2118, 9693), (2154, 9531), (3177, 6462), (3231, 6354)]