20596500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:247

約数の個数: 144

約数和(自身を含む): 68140800

約数和(自身を除く): 47544300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 30, 36, 45, 46, 50, 60, 69, 75, 90, 92, 100, 115, 125, 138, 150, 180, 199, 207, 225, 230, 250, 276, 300, 345, 375, 398, 414, 450, 460, 500, 575, 597, 690, 750, 796, 828, 900, 995, 1035, 1125, 1150, 1194, 1380, 1500, 1725, 1791, 1990, 2070, 2250, 2300, 2388, 2875, 2985, 3450, 3582, 3980, 4140, 4500, 4577, 4975, 5175, 5750, 5970, 6900, 7164, 8625, 8955, 9154, 9950, 10350, 11500, 11940, 13731, 14925, 17250, 17910, 18308, 19900, 20700, 22885, 24875, 25875, 27462, 29850, 34500, 35820, 41193, 44775, 45770, 49750, 51750, 54924, 59700, 68655, 74625, 82386, 89550, 91540, 99500, 103500, 114425, 137310, 149250, 164772, 179100, 205965, 223875, 228850, 274620, 298500, 343275, 411930, 447750, 457700, 572125, 686550, 823860, 895500, 1029825, 1144250, 1373100, 1716375, 2059650, 2288500, 3432750, 4119300, 5149125, 6865500, 10298250, 20596500]

約数ペア:

[(1, 20596500), (2, 10298250), (3, 6865500), (4, 5149125), (5, 4119300), (6, 3432750), (9, 2288500), (10, 2059650), (12, 1716375), (15, 1373100), (18, 1144250), (20, 1029825), (23, 895500), (25, 823860), (30, 686550), (36, 572125), (45, 457700), (46, 447750), (50, 411930), (60, 343275), (69, 298500), (75, 274620), (90, 228850), (92, 223875), (100, 205965), (115, 179100), (125, 164772), (138, 149250), (150, 137310), (180, 114425), (199, 103500), (207, 99500), (225, 91540), (230, 89550), (250, 82386), (276, 74625), (300, 68655), (345, 59700), (375, 54924), (398, 51750), (414, 49750), (450, 45770), (460, 44775), (500, 41193), (575, 35820), (597, 34500), (690, 29850), (750, 27462), (796, 25875), (828, 24875), (900, 22885), (995, 20700), (1035, 19900), (1125, 18308), (1150, 17910), (1194, 17250), (1380, 14925), (1500, 13731), (1725, 11940), (1791, 11500), (1990, 10350), (2070, 9950), (2250, 9154), (2300, 8955), (2388, 8625), (2875, 7164), (2985, 6900), (3450, 5970), (3582, 5750), (3980, 5175), (4140, 4975), (4500, 4577)]