20147776680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{186761}}^1$

素因数の和:186835

約数の個数: 128

約数和(自身を含む): 64544947200

約数和(自身を除く): 44397170520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 93, 116, 120, 124, 145, 155, 174, 186, 232, 248, 290, 310, 348, 372, 435, 465, 580, 620, 696, 744, 870, 899, 930, 1160, 1240, 1740, 1798, 1860, 2697, 3480, 3596, 3720, 4495, 5394, 7192, 8990, 10788, 13485, 17980, 21576, 26970, 35960, 53940, 107880, 186761, 373522, 560283, 747044, 933805, 1120566, 1494088, 1867610, 2241132, 2801415, 3735220, 4482264, 5416069, 5602830, 5789591, 7470440, 10832138, 11205660, 11579182, 16248207, 17368773, 21664276, 22411320, 23158364, 27080345, 28947955, 32496414, 34737546, 43328552, 46316728, 54160690, 57895910, 64992828, 69475092, 81241035, 86843865, 108321380, 115791820, 129985656, 138950184, 162482070, 167898139, 173687730, 216642760, 231583640, 324964140, 335796278, 347375460, 503694417, 649928280, 671592556, 694750920, 839490695, 1007388834, 1343185112, 1678981390, 2014777668, 2518472085, 3357962780, 4029555336, 5036944170, 6715925560, 10073888340, 20147776680]

約数ペア:

[(1, 20147776680), (2, 10073888340), (3, 6715925560), (4, 5036944170), (5, 4029555336), (6, 3357962780), (8, 2518472085), (10, 2014777668), (12, 1678981390), (15, 1343185112), (20, 1007388834), (24, 839490695), (29, 694750920), (30, 671592556), (31, 649928280), (40, 503694417), (58, 347375460), (60, 335796278), (62, 324964140), (87, 231583640), (93, 216642760), (116, 173687730), (120, 167898139), (124, 162482070), (145, 138950184), (155, 129985656), (174, 115791820), (186, 108321380), (232, 86843865), (248, 81241035), (290, 69475092), (310, 64992828), (348, 57895910), (372, 54160690), (435, 46316728), (465, 43328552), (580, 34737546), (620, 32496414), (696, 28947955), (744, 27080345), (870, 23158364), (899, 22411320), (930, 21664276), (1160, 17368773), (1240, 16248207), (1740, 11579182), (1798, 11205660), (1860, 10832138), (2697, 7470440), (3480, 5789591), (3596, 5602830), (3720, 5416069), (4495, 4482264), (5394, 3735220), (7192, 2801415), (8990, 2241132), (10788, 1867610), (13485, 1494088), (17980, 1120566), (21576, 933805), (26970, 747044), (35960, 560283), (53940, 373522), (107880, 186761)]