20553643775

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1201}}^1\times {\mathrm{5147}}^1$

素因数の和:6384

約数の個数: 48

約数和(自身を含む): 30691964160

約数和(自身を除く): 10138320385

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 1201, 3325, 5147, 6005, 8407, 22819, 25735, 30025, 36029, 42035, 97793, 114095, 128675, 159733, 180145, 210175, 488965, 570475, 684551, 798665, 900725, 2444825, 3422755, 3993325, 6181547, 17113775, 30907735, 43270829, 117449393, 154538675, 216354145, 587246965, 822145751, 1081770725, 2936234825, 4110728755, 20553643775]

約数ペア:

[(1, 20553643775), (5, 4110728755), (7, 2936234825), (19, 1081770725), (25, 822145751), (35, 587246965), (95, 216354145), (133, 154538675), (175, 117449393), (475, 43270829), (665, 30907735), (1201, 17113775), (3325, 6181547), (5147, 3993325), (6005, 3422755), (8407, 2444825), (22819, 900725), (25735, 798665), (30025, 684551), (36029, 570475), (42035, 488965), (97793, 210175), (114095, 180145), (128675, 159733)]