20437774

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1087}}^1$

素因数の和:1192

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 17163506

約数列:

[1, 2, 7, 14, 17, 34, 79, 119, 158, 238, 553, 1087, 1106, 1343, 2174, 2686, 7609, 9401, 15218, 18479, 18802, 36958, 85873, 129353, 171746, 258706, 601111, 1202222, 1459841, 2919682, 10218887, 20437774]

約数ペア:

[(1, 20437774), (2, 10218887), (7, 2919682), (14, 1459841), (17, 1202222), (34, 601111), (79, 258706), (119, 171746), (158, 129353), (238, 85873), (553, 36958), (1087, 18802), (1106, 18479), (1343, 15218), (2174, 9401), (2686, 7609)]