20798596

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57139}}^1$

素因数の和:57163

約数の個数: 24

約数和(自身を含む): 44797760

約数和(自身を除く): 23999164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57139, 114278, 228556, 399973, 742807, 799946, 1485614, 1599892, 2971228, 5199649, 10399298, 20798596]

約数ペア:

[(1, 20798596), (2, 10399298), (4, 5199649), (7, 2971228), (13, 1599892), (14, 1485614), (26, 799946), (28, 742807), (52, 399973), (91, 228556), (182, 114278), (364, 57139)]