20679312220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{83}}^1\times {\mathrm{36319}}^1$

素因数の和:36432

約数の個数: 96

約数和(自身を含む): 51254784000

約数和(自身を除く): 30575471780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 245, 332, 343, 415, 490, 581, 686, 830, 980, 1162, 1372, 1660, 1715, 2324, 2905, 3430, 4067, 5810, 6860, 8134, 11620, 16268, 20335, 28469, 36319, 40670, 56938, 72638, 81340, 113876, 142345, 145276, 181595, 254233, 284690, 363190, 508466, 569380, 726380, 1016932, 1271165, 1779631, 2542330, 3014477, 3559262, 5084660, 6028954, 7118524, 8898155, 12057908, 12457417, 15072385, 17796310, 21101339, 24914834, 30144770, 35592620, 42202678, 49829668, 60289540, 62287085, 84405356, 105506695, 124574170, 147709373, 211013390, 249148340, 295418746, 422026780, 590837492, 738546865, 1033965611, 1477093730, 2067931222, 2954187460, 4135862444, 5169828055, 10339656110, 20679312220]

約数ペア:

[(1, 20679312220), (2, 10339656110), (4, 5169828055), (5, 4135862444), (7, 2954187460), (10, 2067931222), (14, 1477093730), (20, 1033965611), (28, 738546865), (35, 590837492), (49, 422026780), (70, 295418746), (83, 249148340), (98, 211013390), (140, 147709373), (166, 124574170), (196, 105506695), (245, 84405356), (332, 62287085), (343, 60289540), (415, 49829668), (490, 42202678), (581, 35592620), (686, 30144770), (830, 24914834), (980, 21101339), (1162, 17796310), (1372, 15072385), (1660, 12457417), (1715, 12057908), (2324, 8898155), (2905, 7118524), (3430, 6028954), (4067, 5084660), (5810, 3559262), (6860, 3014477), (8134, 2542330), (11620, 1779631), (16268, 1271165), (20335, 1016932), (28469, 726380), (36319, 569380), (40670, 508466), (56938, 363190), (72638, 284690), (81340, 254233), (113876, 181595), (142345, 145276)]