20883060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 70761600

約数和(自身を除く): 49878540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 53, 55, 60, 66, 90, 99, 106, 110, 132, 159, 165, 180, 198, 199, 212, 220, 265, 318, 330, 396, 398, 477, 495, 530, 583, 597, 636, 660, 795, 796, 954, 990, 995, 1060, 1166, 1194, 1590, 1749, 1791, 1908, 1980, 1990, 2189, 2332, 2385, 2388, 2915, 2985, 3180, 3498, 3582, 3980, 4378, 4770, 5247, 5830, 5970, 6567, 6996, 7164, 8745, 8756, 8955, 9540, 10494, 10547, 10945, 11660, 11940, 13134, 17490, 17910, 19701, 20988, 21094, 21890, 26235, 26268, 31641, 32835, 34980, 35820, 39402, 42188, 43780, 52470, 52735, 63282, 65670, 78804, 94923, 98505, 104940, 105470, 116017, 126564, 131340, 158205, 189846, 197010, 210940, 232034, 316410, 348051, 379692, 394020, 464068, 474615, 580085, 632820, 696102, 949230, 1044153, 1160170, 1392204, 1740255, 1898460, 2088306, 2320340, 3480510, 4176612, 5220765, 6961020, 10441530, 20883060]

約数ペア:

[(1, 20883060), (2, 10441530), (3, 6961020), (4, 5220765), (5, 4176612), (6, 3480510), (9, 2320340), (10, 2088306), (11, 1898460), (12, 1740255), (15, 1392204), (18, 1160170), (20, 1044153), (22, 949230), (30, 696102), (33, 632820), (36, 580085), (44, 474615), (45, 464068), (53, 394020), (55, 379692), (60, 348051), (66, 316410), (90, 232034), (99, 210940), (106, 197010), (110, 189846), (132, 158205), (159, 131340), (165, 126564), (180, 116017), (198, 105470), (199, 104940), (212, 98505), (220, 94923), (265, 78804), (318, 65670), (330, 63282), (396, 52735), (398, 52470), (477, 43780), (495, 42188), (530, 39402), (583, 35820), (597, 34980), (636, 32835), (660, 31641), (795, 26268), (796, 26235), (954, 21890), (990, 21094), (995, 20988), (1060, 19701), (1166, 17910), (1194, 17490), (1590, 13134), (1749, 11940), (1791, 11660), (1908, 10945), (1980, 10547), (1990, 10494), (2189, 9540), (2332, 8955), (2385, 8756), (2388, 8745), (2915, 7164), (2985, 6996), (3180, 6567), (3498, 5970), (3582, 5830), (3980, 5247), (4378, 4770)]