20512693121987

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1117}}^1\times {\mathrm{387077}}^1$

素因数の和:388451

約数の個数: 32

約数和(自身を含む): 23680255322880

約数和(自身を除く): 3167562200893

約数列:

[1, 11, 19, 209, 227, 1117, 2497, 4313, 12287, 21223, 47443, 233453, 253559, 387077, 2789149, 4257847, 4817621, 7354463, 52993831, 80899093, 87866479, 432365009, 966531269, 1669463101, 4756015099, 8214935171, 18364094111, 90364286881, 98146857043, 1079615427473, 1864790283817, 20512693121987]

約数ペア:

[(1, 20512693121987), (11, 1864790283817), (19, 1079615427473), (209, 98146857043), (227, 90364286881), (1117, 18364094111), (2497, 8214935171), (4313, 4756015099), (12287, 1669463101), (21223, 966531269), (47443, 432365009), (233453, 87866479), (253559, 80899093), (387077, 52993831), (2789149, 7354463), (4257847, 4817621)]