20147662857

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{9133}}^1$

素因数の和:9542

約数の個数: 48

約数和(自身を含む): 32071300800

約数和(自身を除く): 11923637943

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 349, 903, 1047, 2107, 2443, 6321, 7329, 9133, 15007, 17101, 27399, 45021, 51303, 63931, 105049, 191793, 315147, 392719, 447517, 735343, 1178157, 1342551, 2206029, 2749033, 3187417, 8247099, 9562251, 19243231, 22311919, 57729693, 66935757, 137058931, 156183433, 411176793, 468550299, 959412517, 2878237551, 6715887619, 20147662857]

約数ペア:

[(1, 20147662857), (3, 6715887619), (7, 2878237551), (21, 959412517), (43, 468550299), (49, 411176793), (129, 156183433), (147, 137058931), (301, 66935757), (349, 57729693), (903, 22311919), (1047, 19243231), (2107, 9562251), (2443, 8247099), (6321, 3187417), (7329, 2749033), (9133, 2206029), (15007, 1342551), (17101, 1178157), (27399, 735343), (45021, 447517), (51303, 392719), (63931, 315147), (105049, 191793)]