20304471

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 10741929

約数列:

[1, 3, 11, 33, 41, 43, 123, 129, 349, 451, 473, 1047, 1353, 1419, 1763, 3839, 5289, 11517, 14309, 15007, 19393, 42927, 45021, 58179, 157399, 165077, 472197, 495231, 615287, 1845861, 6768157, 20304471]

約数ペア:

[(1, 20304471), (3, 6768157), (11, 1845861), (33, 615287), (41, 495231), (43, 472197), (123, 165077), (129, 157399), (349, 58179), (451, 45021), (473, 42927), (1047, 19393), (1353, 15007), (1419, 14309), (1763, 11517), (3839, 5289)]