20165165080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1\times {\mathrm{39241}}^1$

素因数の和:39724

約数の個数: 64

約数和(自身を含む): 47043309600

約数和(自身を除く): 26878144520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 443, 580, 886, 1160, 1772, 2215, 3544, 4430, 8860, 12847, 17720, 25694, 39241, 51388, 64235, 78482, 102776, 128470, 156964, 196205, 256940, 313928, 392410, 513880, 784820, 1137989, 1569640, 2275978, 4551956, 5689945, 9103912, 11379890, 17383763, 22759780, 34767526, 45519560, 69535052, 86918815, 139070104, 173837630, 347675260, 504129127, 695350520, 1008258254, 2016516508, 2520645635, 4033033016, 5041291270, 10082582540, 20165165080]

約数ペア:

[(1, 20165165080), (2, 10082582540), (4, 5041291270), (5, 4033033016), (8, 2520645635), (10, 2016516508), (20, 1008258254), (29, 695350520), (40, 504129127), (58, 347675260), (116, 173837630), (145, 139070104), (232, 86918815), (290, 69535052), (443, 45519560), (580, 34767526), (886, 22759780), (1160, 17383763), (1772, 11379890), (2215, 9103912), (3544, 5689945), (4430, 4551956), (8860, 2275978), (12847, 1569640), (17720, 1137989), (25694, 784820), (39241, 513880), (51388, 392410), (64235, 313928), (78482, 256940), (102776, 196205), (128470, 156964)]