20026008

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 60480000

約数和(自身を除く): 40453992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 29, 36, 46, 54, 58, 69, 72, 87, 92, 108, 116, 138, 139, 174, 184, 207, 216, 232, 261, 276, 278, 348, 414, 417, 522, 552, 556, 621, 667, 696, 783, 828, 834, 1044, 1112, 1242, 1251, 1334, 1566, 1656, 1668, 2001, 2088, 2484, 2502, 2668, 3132, 3197, 3336, 3753, 4002, 4031, 4968, 5004, 5336, 6003, 6264, 6394, 7506, 8004, 8062, 9591, 10008, 12006, 12093, 12788, 15012, 16008, 16124, 18009, 19182, 24012, 24186, 25576, 28773, 30024, 32248, 36018, 36279, 38364, 48024, 48372, 57546, 72036, 72558, 76728, 86319, 92713, 96744, 108837, 115092, 144072, 145116, 172638, 185426, 217674, 230184, 278139, 290232, 345276, 370852, 435348, 556278, 690552, 741704, 834417, 870696, 1112556, 1668834, 2225112, 2503251, 3337668, 5006502, 6675336, 10013004, 20026008]

約数ペア:

[(1, 20026008), (2, 10013004), (3, 6675336), (4, 5006502), (6, 3337668), (8, 2503251), (9, 2225112), (12, 1668834), (18, 1112556), (23, 870696), (24, 834417), (27, 741704), (29, 690552), (36, 556278), (46, 435348), (54, 370852), (58, 345276), (69, 290232), (72, 278139), (87, 230184), (92, 217674), (108, 185426), (116, 172638), (138, 145116), (139, 144072), (174, 115092), (184, 108837), (207, 96744), (216, 92713), (232, 86319), (261, 76728), (276, 72558), (278, 72036), (348, 57546), (414, 48372), (417, 48024), (522, 38364), (552, 36279), (556, 36018), (621, 32248), (667, 30024), (696, 28773), (783, 25576), (828, 24186), (834, 24012), (1044, 19182), (1112, 18009), (1242, 16124), (1251, 16008), (1334, 15012), (1566, 12788), (1656, 12093), (1668, 12006), (2001, 10008), (2088, 9591), (2484, 8062), (2502, 8004), (2668, 7506), (3132, 6394), (3197, 6264), (3336, 6003), (3753, 5336), (4002, 5004), (4031, 4968)]