20343771

素因数分解:

$3^3\times 7^2\times {\mathrm{15377}}^1$

素因数の和:15400

約数の個数: 24

約数和(自身を含む): 35061840

約数和(自身を除く): 14718069

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15377, 46131, 107639, 138393, 322917, 415179, 753473, 968751, 2260419, 2906253, 6781257, 20343771]

約数ペア:

[(1, 20343771), (3, 6781257), (7, 2906253), (9, 2260419), (21, 968751), (27, 753473), (49, 415179), (63, 322917), (147, 138393), (189, 107639), (441, 46131), (1323, 15377)]