20931666

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{8447}}^1$

素因数の和:8518

約数の個数: 32

約数和(自身を含む): 48660480

約数和(自身を除く): 27728814

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 118, 177, 354, 413, 826, 1239, 2478, 8447, 16894, 25341, 50682, 59129, 118258, 177387, 354774, 498373, 996746, 1495119, 2990238, 3488611, 6977222, 10465833, 20931666]

約数ペア:

[(1, 20931666), (2, 10465833), (3, 6977222), (6, 3488611), (7, 2990238), (14, 1495119), (21, 996746), (42, 498373), (59, 354774), (118, 177387), (177, 118258), (354, 59129), (413, 50682), (826, 25341), (1239, 16894), (2478, 8447)]