20880451605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{65173}}^1$

素因数の和:65278

約数の個数: 64

約数和(自身を含む): 37840545792

約数和(自身を除く): 16960094187

約数列:

[1, 3, 5, 13, 15, 31, 39, 53, 65, 93, 155, 159, 195, 265, 403, 465, 689, 795, 1209, 1643, 2015, 2067, 3445, 4929, 6045, 8215, 10335, 21359, 24645, 64077, 65173, 106795, 195519, 320385, 325865, 847249, 977595, 2020363, 2541747, 3454169, 4236245, 6061089, 10101815, 10362507, 12708735, 17270845, 26264719, 30305445, 44904197, 51812535, 78794157, 107079239, 131323595, 134712591, 224520985, 321237717, 393970785, 535396195, 673562955, 1392030107, 1606188585, 4176090321, 6960150535, 20880451605]

約数ペア:

[(1, 20880451605), (3, 6960150535), (5, 4176090321), (13, 1606188585), (15, 1392030107), (31, 673562955), (39, 535396195), (53, 393970785), (65, 321237717), (93, 224520985), (155, 134712591), (159, 131323595), (195, 107079239), (265, 78794157), (403, 51812535), (465, 44904197), (689, 30305445), (795, 26264719), (1209, 17270845), (1643, 12708735), (2015, 10362507), (2067, 10101815), (3445, 6061089), (4929, 4236245), (6045, 3454169), (8215, 2541747), (10335, 2020363), (21359, 977595), (24645, 847249), (64077, 325865), (65173, 320385), (106795, 195519)]