20976552

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 39676248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 53, 69, 72, 92, 106, 138, 159, 184, 207, 212, 239, 276, 318, 414, 424, 477, 478, 552, 636, 717, 828, 954, 956, 1219, 1272, 1434, 1656, 1908, 1912, 2151, 2438, 2868, 3657, 3816, 4302, 4876, 5497, 5736, 7314, 8604, 9752, 10971, 10994, 12667, 14628, 16491, 17208, 21942, 21988, 25334, 29256, 32982, 38001, 43884, 43976, 49473, 50668, 65964, 76002, 87768, 98946, 101336, 114003, 131928, 152004, 197892, 228006, 291341, 304008, 395784, 456012, 582682, 874023, 912024, 1165364, 1748046, 2330728, 2622069, 3496092, 5244138, 6992184, 10488276, 20976552]

約数ペア:

[(1, 20976552), (2, 10488276), (3, 6992184), (4, 5244138), (6, 3496092), (8, 2622069), (9, 2330728), (12, 1748046), (18, 1165364), (23, 912024), (24, 874023), (36, 582682), (46, 456012), (53, 395784), (69, 304008), (72, 291341), (92, 228006), (106, 197892), (138, 152004), (159, 131928), (184, 114003), (207, 101336), (212, 98946), (239, 87768), (276, 76002), (318, 65964), (414, 50668), (424, 49473), (477, 43976), (478, 43884), (552, 38001), (636, 32982), (717, 29256), (828, 25334), (954, 21988), (956, 21942), (1219, 17208), (1272, 16491), (1434, 14628), (1656, 12667), (1908, 10994), (1912, 10971), (2151, 9752), (2438, 8604), (2868, 7314), (3657, 5736), (3816, 5497), (4302, 4876)]