20555458

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1051}}^1$

素因数の和:1198

約数の個数: 32

約数和(自身を含む): 38780928

約数和(自身を除く): 18225470

約数列:

[1, 2, 7, 11, 14, 22, 77, 127, 154, 254, 889, 1051, 1397, 1778, 2102, 2794, 7357, 9779, 11561, 14714, 19558, 23122, 80927, 133477, 161854, 266954, 934339, 1468247, 1868678, 2936494, 10277729, 20555458]

約数ペア:

[(1, 20555458), (2, 10277729), (7, 2936494), (11, 1868678), (14, 1468247), (22, 934339), (77, 266954), (127, 161854), (154, 133477), (254, 80927), (889, 23122), (1051, 19558), (1397, 14714), (1778, 11561), (2102, 9779), (2794, 7357)]