20558855499

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2143}}^1\times {\mathrm{35141}}^1$

素因数の和:37307

約数の個数: 32

約数和(自身を含む): 33754312704

約数和(自身を除く): 13195457205

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 2143, 6429, 15001, 27859, 35141, 45003, 83577, 105423, 195013, 245987, 456833, 585039, 737961, 1370499, 3197831, 9593493, 75307163, 225921489, 527150141, 978993119, 1581450423, 2936979357, 6852951833, 20558855499]

約数ペア:

[(1, 20558855499), (3, 6852951833), (7, 2936979357), (13, 1581450423), (21, 978993119), (39, 527150141), (91, 225921489), (273, 75307163), (2143, 9593493), (6429, 3197831), (15001, 1370499), (27859, 737961), (35141, 585039), (45003, 456833), (83577, 245987), (105423, 195013)]