20524832

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 42819840

約数和(自身を除く): 22295008

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 79, 92, 158, 184, 316, 353, 368, 632, 706, 736, 1264, 1412, 1817, 2528, 2824, 3634, 5648, 7268, 8119, 11296, 14536, 16238, 27887, 29072, 32476, 55774, 58144, 64952, 111548, 129904, 223096, 259808, 446192, 641401, 892384, 1282802, 2565604, 5131208, 10262416, 20524832]

約数ペア:

[(1, 20524832), (2, 10262416), (4, 5131208), (8, 2565604), (16, 1282802), (23, 892384), (32, 641401), (46, 446192), (79, 259808), (92, 223096), (158, 129904), (184, 111548), (316, 64952), (353, 58144), (368, 55774), (632, 32476), (706, 29072), (736, 27887), (1264, 16238), (1412, 14536), (1817, 11296), (2528, 8119), (2824, 7268), (3634, 5648)]