20787954

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{10861}}^1$

素因数の和:10906

約数の個数: 32

約数和(自身を含む): 46923840

約数和(自身を除く): 26135886

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 174, 319, 638, 957, 1914, 10861, 21722, 32583, 65166, 119471, 238942, 314969, 358413, 629938, 716826, 944907, 1889814, 3464659, 6929318, 10393977, 20787954]

約数ペア:

[(1, 20787954), (2, 10393977), (3, 6929318), (6, 3464659), (11, 1889814), (22, 944907), (29, 716826), (33, 629938), (58, 358413), (66, 314969), (87, 238942), (174, 119471), (319, 65166), (638, 32583), (957, 21722), (1914, 10861)]