20954285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 29538432

約数和(自身を除く): 8584147

約数列:

[1, 5, 11, 17, 55, 73, 85, 187, 307, 365, 803, 935, 1241, 1535, 3377, 4015, 5219, 6205, 13651, 16885, 22411, 26095, 57409, 68255, 112055, 246521, 287045, 380987, 1232605, 1904935, 4190857, 20954285]

約数ペア:

[(1, 20954285), (5, 4190857), (11, 1904935), (17, 1232605), (55, 380987), (73, 287045), (85, 246521), (187, 112055), (307, 68255), (365, 57409), (803, 26095), (935, 22411), (1241, 16885), (1535, 13651), (3377, 6205), (4015, 5219)]