20210562185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1\times {\mathrm{21503}}^1$

素因数の和:22285

約数の個数: 32

約数和(自身を含む): 27646230528

約数和(自身を除く): 7435668343

約数列:

[1, 5, 11, 23, 55, 115, 253, 743, 1265, 3715, 8173, 17089, 21503, 40865, 85445, 107515, 187979, 236533, 494569, 939895, 1182665, 2472845, 5440259, 15976729, 27201295, 79883645, 175744019, 367464767, 878720095, 1837323835, 4042112437, 20210562185]

約数ペア:

[(1, 20210562185), (5, 4042112437), (11, 1837323835), (23, 878720095), (55, 367464767), (115, 175744019), (253, 79883645), (743, 27201295), (1265, 15976729), (3715, 5440259), (8173, 2472845), (17089, 1182665), (21503, 939895), (40865, 494569), (85445, 236533), (107515, 187979)]