20071353

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 29962240

約数和(自身を除く): 9890887

約数列:

[1, 3, 19, 31, 37, 57, 93, 111, 307, 589, 703, 921, 1147, 1767, 2109, 3441, 5833, 9517, 11359, 17499, 21793, 28551, 34077, 65379, 180823, 215821, 352129, 542469, 647463, 1056387, 6690451, 20071353]

約数ペア:

[(1, 20071353), (3, 6690451), (19, 1056387), (31, 647463), (37, 542469), (57, 352129), (93, 215821), (111, 180823), (307, 65379), (589, 34077), (703, 28551), (921, 21793), (1147, 17499), (1767, 11359), (2109, 9517), (3441, 5833)]