20713590960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{620911}}^1$

素因数の和:621066

約数の個数: 80

約数和(自身を含む): 64674193920

約数和(自身を除く): 43960602960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2224, 2780, 3336, 4170, 5560, 6672, 8340, 11120, 16680, 33360, 620911, 1241822, 1862733, 2483644, 3104555, 3725466, 4967288, 6209110, 7450932, 9313665, 9934576, 12418220, 14901864, 18627330, 24836440, 29803728, 37254660, 49672880, 74509320, 86306629, 149018640, 172613258, 258919887, 345226516, 431533145, 517839774, 690453032, 863066290, 1035679548, 1294599435, 1380906064, 1726132580, 2071359096, 2589198870, 3452265160, 4142718192, 5178397740, 6904530320, 10356795480, 20713590960]

約数ペア:

[(1, 20713590960), (2, 10356795480), (3, 6904530320), (4, 5178397740), (5, 4142718192), (6, 3452265160), (8, 2589198870), (10, 2071359096), (12, 1726132580), (15, 1380906064), (16, 1294599435), (20, 1035679548), (24, 863066290), (30, 690453032), (40, 517839774), (48, 431533145), (60, 345226516), (80, 258919887), (120, 172613258), (139, 149018640), (240, 86306629), (278, 74509320), (417, 49672880), (556, 37254660), (695, 29803728), (834, 24836440), (1112, 18627330), (1390, 14901864), (1668, 12418220), (2085, 9934576), (2224, 9313665), (2780, 7450932), (3336, 6209110), (4170, 4967288), (5560, 3725466), (6672, 3104555), (8340, 2483644), (11120, 1862733), (16680, 1241822), (33360, 620911)]