20189949819

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1303}}^1\times {\mathrm{23371}}^1$

素因数の和:24707

約数の個数: 32

約数和(自身を含む): 30720904704

約数和(自身を除く): 10530954885

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 1303, 3909, 16939, 22151, 23371, 50817, 66453, 70113, 287963, 303823, 397307, 863889, 911469, 1191921, 5164991, 15494973, 30452413, 91357239, 395881369, 517691021, 1187644107, 1553073063, 6729983273, 20189949819]

約数ペア:

[(1, 20189949819), (3, 6729983273), (13, 1553073063), (17, 1187644107), (39, 517691021), (51, 395881369), (221, 91357239), (663, 30452413), (1303, 15494973), (3909, 5164991), (16939, 1191921), (22151, 911469), (23371, 863889), (50817, 397307), (66453, 303823), (70113, 287963)]