20516249400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{105863}}^1$

素因数の和:105918

約数の個数: 192

約数和(自身を含む): 70886534400

約数和(自身を除く): 50370285000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 25, 30, 34, 38, 40, 50, 51, 57, 60, 68, 75, 76, 85, 95, 100, 102, 114, 120, 136, 150, 152, 170, 190, 200, 204, 228, 255, 285, 300, 323, 340, 380, 408, 425, 456, 475, 510, 570, 600, 646, 680, 760, 850, 950, 969, 1020, 1140, 1275, 1292, 1425, 1615, 1700, 1900, 1938, 2040, 2280, 2550, 2584, 2850, 3230, 3400, 3800, 3876, 4845, 5100, 5700, 6460, 7752, 8075, 9690, 10200, 11400, 12920, 16150, 19380, 24225, 32300, 38760, 48450, 64600, 96900, 105863, 193800, 211726, 317589, 423452, 529315, 635178, 846904, 1058630, 1270356, 1587945, 1799671, 2011397, 2117260, 2540712, 2646575, 3175890, 3599342, 4022794, 4234520, 5293150, 5399013, 6034191, 6351780, 7198684, 7939725, 8045588, 8998355, 10056985, 10586300, 10798026, 12068382, 12703560, 14397368, 15879450, 16091176, 17996710, 20113970, 21172600, 21596052, 24136764, 26995065, 30170955, 31758900, 34193749, 35993420, 40227940, 43192104, 44991775, 48273528, 50284925, 53990130, 60341910, 63517800, 68387498, 71986840, 80455880, 89983550, 100569850, 102581247, 107980260, 120683820, 134975325, 136774996, 150854775, 170968745, 179967100, 201139700, 205162494, 215960520, 241367640, 269950650, 273549992, 301709550, 341937490, 359934200, 402279400, 410324988, 512906235, 539901300, 603419100, 683874980, 820649976, 854843725, 1025812470, 1079802600, 1206838200, 1367749960, 1709687450, 2051624940, 2564531175, 3419374900, 4103249880, 5129062350, 6838749800, 10258124700, 20516249400]

約数ペア:

[(1, 20516249400), (2, 10258124700), (3, 6838749800), (4, 5129062350), (5, 4103249880), (6, 3419374900), (8, 2564531175), (10, 2051624940), (12, 1709687450), (15, 1367749960), (17, 1206838200), (19, 1079802600), (20, 1025812470), (24, 854843725), (25, 820649976), (30, 683874980), (34, 603419100), (38, 539901300), (40, 512906235), (50, 410324988), (51, 402279400), (57, 359934200), (60, 341937490), (68, 301709550), (75, 273549992), (76, 269950650), (85, 241367640), (95, 215960520), (100, 205162494), (102, 201139700), (114, 179967100), (120, 170968745), (136, 150854775), (150, 136774996), (152, 134975325), (170, 120683820), (190, 107980260), (200, 102581247), (204, 100569850), (228, 89983550), (255, 80455880), (285, 71986840), (300, 68387498), (323, 63517800), (340, 60341910), (380, 53990130), (408, 50284925), (425, 48273528), (456, 44991775), (475, 43192104), (510, 40227940), (570, 35993420), (600, 34193749), (646, 31758900), (680, 30170955), (760, 26995065), (850, 24136764), (950, 21596052), (969, 21172600), (1020, 20113970), (1140, 17996710), (1275, 16091176), (1292, 15879450), (1425, 14397368), (1615, 12703560), (1700, 12068382), (1900, 10798026), (1938, 10586300), (2040, 10056985), (2280, 8998355), (2550, 8045588), (2584, 7939725), (2850, 7198684), (3230, 6351780), (3400, 6034191), (3800, 5399013), (3876, 5293150), (4845, 4234520), (5100, 4022794), (5700, 3599342), (6460, 3175890), (7752, 2646575), (8075, 2540712), (9690, 2117260), (10200, 2011397), (11400, 1799671), (12920, 1587945), (16150, 1270356), (19380, 1058630), (24225, 846904), (32300, 635178), (38760, 529315), (48450, 423452), (64600, 317589), (96900, 211726), (105863, 193800)]