20884173

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 10081587

約数列:

[1, 3, 19, 31, 53, 57, 93, 159, 223, 589, 669, 1007, 1643, 1767, 3021, 4237, 4929, 6913, 11819, 12711, 20739, 31217, 35457, 93651, 131347, 224561, 366389, 394041, 673683, 1099167, 6961391, 20884173]

約数ペア:

[(1, 20884173), (3, 6961391), (19, 1099167), (31, 673683), (53, 394041), (57, 366389), (93, 224561), (159, 131347), (223, 93651), (589, 35457), (669, 31217), (1007, 20739), (1643, 12711), (1767, 11819), (3021, 6913), (4237, 4929)]