20803500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:118

約数の個数: 192

約数和(自身を含む): 71285760

約数和(自身を除く): 50482260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 27, 30, 36, 45, 46, 50, 54, 60, 67, 69, 75, 90, 92, 100, 108, 115, 125, 134, 135, 138, 150, 180, 201, 207, 225, 230, 250, 268, 270, 276, 300, 335, 345, 375, 402, 414, 450, 460, 500, 540, 575, 603, 621, 670, 675, 690, 750, 804, 828, 900, 1005, 1035, 1125, 1150, 1206, 1242, 1340, 1350, 1380, 1500, 1541, 1675, 1725, 1809, 2010, 2070, 2250, 2300, 2412, 2484, 2700, 2875, 3015, 3082, 3105, 3350, 3375, 3450, 3618, 4020, 4140, 4500, 4623, 5025, 5175, 5750, 6030, 6164, 6210, 6700, 6750, 6900, 7236, 7705, 8375, 8625, 9045, 9246, 10050, 10350, 11500, 12060, 12420, 13500, 13869, 15075, 15410, 15525, 16750, 17250, 18090, 18492, 20100, 20700, 23115, 25125, 25875, 27738, 30150, 30820, 31050, 33500, 34500, 36180, 38525, 41607, 45225, 46230, 50250, 51750, 55476, 60300, 62100, 69345, 75375, 77050, 77625, 83214, 90450, 92460, 100500, 103500, 115575, 138690, 150750, 154100, 155250, 166428, 180900, 192625, 208035, 226125, 231150, 277380, 301500, 310500, 346725, 385250, 416070, 452250, 462300, 577875, 693450, 770500, 832140, 904500, 1040175, 1155750, 1386900, 1733625, 2080350, 2311500, 3467250, 4160700, 5200875, 6934500, 10401750, 20803500]

約数ペア:

[(1, 20803500), (2, 10401750), (3, 6934500), (4, 5200875), (5, 4160700), (6, 3467250), (9, 2311500), (10, 2080350), (12, 1733625), (15, 1386900), (18, 1155750), (20, 1040175), (23, 904500), (25, 832140), (27, 770500), (30, 693450), (36, 577875), (45, 462300), (46, 452250), (50, 416070), (54, 385250), (60, 346725), (67, 310500), (69, 301500), (75, 277380), (90, 231150), (92, 226125), (100, 208035), (108, 192625), (115, 180900), (125, 166428), (134, 155250), (135, 154100), (138, 150750), (150, 138690), (180, 115575), (201, 103500), (207, 100500), (225, 92460), (230, 90450), (250, 83214), (268, 77625), (270, 77050), (276, 75375), (300, 69345), (335, 62100), (345, 60300), (375, 55476), (402, 51750), (414, 50250), (450, 46230), (460, 45225), (500, 41607), (540, 38525), (575, 36180), (603, 34500), (621, 33500), (670, 31050), (675, 30820), (690, 30150), (750, 27738), (804, 25875), (828, 25125), (900, 23115), (1005, 20700), (1035, 20100), (1125, 18492), (1150, 18090), (1206, 17250), (1242, 16750), (1340, 15525), (1350, 15410), (1380, 15075), (1500, 13869), (1541, 13500), (1675, 12420), (1725, 12060), (1809, 11500), (2010, 10350), (2070, 10050), (2250, 9246), (2300, 9045), (2412, 8625), (2484, 8375), (2700, 7705), (2875, 7236), (3015, 6900), (3082, 6750), (3105, 6700), (3350, 6210), (3375, 6164), (3450, 6030), (3618, 5750), (4020, 5175), (4140, 5025), (4500, 4623)]