20893090920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{27277}}^1$

素因数の和:27795

約数の個数: 128

約数和(自身を含む): 67640711040

約数和(自身を除く): 46747620120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 491, 520, 780, 982, 1473, 1560, 1964, 2455, 2946, 3928, 4910, 5892, 6383, 7365, 9820, 11784, 12766, 14730, 19149, 19640, 25532, 27277, 29460, 31915, 38298, 51064, 54554, 58920, 63830, 76596, 81831, 95745, 109108, 127660, 136385, 153192, 163662, 191490, 218216, 255320, 272770, 327324, 354601, 382980, 409155, 545540, 654648, 709202, 765960, 818310, 1063803, 1091080, 1418404, 1636620, 1773005, 2127606, 2836808, 3273240, 3546010, 4255212, 5319015, 7092020, 8510424, 10638030, 13393007, 14184040, 21276060, 26786014, 40179021, 42552120, 53572028, 66965035, 80358042, 107144056, 133930070, 160716084, 174109091, 200895105, 267860140, 321432168, 348218182, 401790210, 522327273, 535720280, 696436364, 803580420, 870545455, 1044654546, 1392872728, 1607160840, 1741090910, 2089309092, 2611636365, 3482181820, 4178618184, 5223272730, 6964363640, 10446545460, 20893090920]

約数ペア:

[(1, 20893090920), (2, 10446545460), (3, 6964363640), (4, 5223272730), (5, 4178618184), (6, 3482181820), (8, 2611636365), (10, 2089309092), (12, 1741090910), (13, 1607160840), (15, 1392872728), (20, 1044654546), (24, 870545455), (26, 803580420), (30, 696436364), (39, 535720280), (40, 522327273), (52, 401790210), (60, 348218182), (65, 321432168), (78, 267860140), (104, 200895105), (120, 174109091), (130, 160716084), (156, 133930070), (195, 107144056), (260, 80358042), (312, 66965035), (390, 53572028), (491, 42552120), (520, 40179021), (780, 26786014), (982, 21276060), (1473, 14184040), (1560, 13393007), (1964, 10638030), (2455, 8510424), (2946, 7092020), (3928, 5319015), (4910, 4255212), (5892, 3546010), (6383, 3273240), (7365, 2836808), (9820, 2127606), (11784, 1773005), (12766, 1636620), (14730, 1418404), (19149, 1091080), (19640, 1063803), (25532, 818310), (27277, 765960), (29460, 709202), (31915, 654648), (38298, 545540), (51064, 409155), (54554, 382980), (58920, 354601), (63830, 327324), (76596, 272770), (81831, 255320), (95745, 218216), (109108, 191490), (127660, 163662), (136385, 153192)]