20997876

素因数分解:

$2^2\times 3^1\times {\mathrm{211}}^1\times {\mathrm{8293}}^1$

素因数の和:8511

約数の個数: 24

約数和(自身を含む): 49233184

約数和(自身を除く): 28235308

約数列:

[1, 2, 3, 4, 6, 12, 211, 422, 633, 844, 1266, 2532, 8293, 16586, 24879, 33172, 49758, 99516, 1749823, 3499646, 5249469, 6999292, 10498938, 20997876]

約数ペア:

[(1, 20997876), (2, 10498938), (3, 6999292), (4, 5249469), (6, 3499646), (12, 1749823), (211, 99516), (422, 49758), (633, 33172), (844, 24879), (1266, 16586), (2532, 8293)]