20620545

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2659}}^1$

素因数の和:2725

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 16151295

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 141, 165, 235, 517, 705, 1551, 2585, 2659, 7755, 7977, 13295, 29249, 39885, 87747, 124973, 146245, 374919, 438735, 624865, 1374703, 1874595, 4124109, 6873515, 20620545]

約数ペア:

[(1, 20620545), (3, 6873515), (5, 4124109), (11, 1874595), (15, 1374703), (33, 624865), (47, 438735), (55, 374919), (141, 146245), (165, 124973), (235, 87747), (517, 39885), (705, 29249), (1551, 13295), (2585, 7977), (2659, 7755)]