20903670380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1409}}^1\times {\mathrm{25579}}^1$

素因数の和:27026

約数の個数: 48

約数和(自身を含む): 45445428000

約数和(自身を除く): 24541757620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1409, 2818, 5636, 7045, 14090, 25579, 28180, 40861, 51158, 81722, 102316, 127895, 163444, 204305, 255790, 408610, 511580, 741791, 817220, 1483582, 2967164, 3708955, 7417910, 14835820, 36040811, 72081622, 144163244, 180204055, 360408110, 720816220, 1045183519, 2090367038, 4180734076, 5225917595, 10451835190, 20903670380]

約数ペア:

[(1, 20903670380), (2, 10451835190), (4, 5225917595), (5, 4180734076), (10, 2090367038), (20, 1045183519), (29, 720816220), (58, 360408110), (116, 180204055), (145, 144163244), (290, 72081622), (580, 36040811), (1409, 14835820), (2818, 7417910), (5636, 3708955), (7045, 2967164), (14090, 1483582), (25579, 817220), (28180, 741791), (40861, 511580), (51158, 408610), (81722, 255790), (102316, 204305), (127895, 163444)]