20020737

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 11497983

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 407, 627, 703, 863, 1221, 2109, 2589, 7733, 9493, 16397, 23199, 28479, 31931, 49191, 95793, 180367, 351241, 541101, 606689, 1053723, 1820067, 6673579, 20020737]

約数ペア:

[(1, 20020737), (3, 6673579), (11, 1820067), (19, 1053723), (33, 606689), (37, 541101), (57, 351241), (111, 180367), (209, 95793), (407, 49191), (627, 31931), (703, 28479), (863, 23199), (1221, 16397), (2109, 9493), (2589, 7733)]