20722954

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 37416960

約数和(自身を除く): 16694006

約数列:

[1, 2, 7, 14, 23, 46, 139, 161, 278, 322, 463, 926, 973, 1946, 3197, 3241, 6394, 6482, 10649, 21298, 22379, 44758, 64357, 74543, 128714, 149086, 450499, 900998, 1480211, 2960422, 10361477, 20722954]

約数ペア:

[(1, 20722954), (2, 10361477), (7, 2960422), (14, 1480211), (23, 900998), (46, 450499), (139, 149086), (161, 128714), (278, 74543), (322, 64357), (463, 44758), (926, 22379), (973, 21298), (1946, 10649), (3197, 6482), (3241, 6394)]