20126492048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1\times {\mathrm{2551}}^1$

素因数の和:3112

約数の個数: 80

約数和(自身を含む): 42610356096

約数和(自身を除く): 22483864048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 457, 664, 914, 1079, 1328, 1828, 2158, 2551, 3656, 4316, 5102, 5941, 7312, 8632, 10204, 11882, 17264, 20408, 23764, 33163, 37931, 40816, 47528, 66326, 75862, 95056, 132652, 151724, 211733, 265304, 303448, 423466, 493103, 530608, 606896, 846932, 986206, 1165807, 1693864, 1972412, 2331614, 2752529, 3387728, 3944824, 4663228, 5505058, 7889648, 9326456, 11010116, 15155491, 18652912, 22020232, 30310982, 44040464, 60621964, 96761981, 121243928, 193523962, 242487856, 387047924, 774095848, 1257905753, 1548191696, 2515811506, 5031623012, 10063246024, 20126492048]

約数ペア:

[(1, 20126492048), (2, 10063246024), (4, 5031623012), (8, 2515811506), (13, 1548191696), (16, 1257905753), (26, 774095848), (52, 387047924), (83, 242487856), (104, 193523962), (166, 121243928), (208, 96761981), (332, 60621964), (457, 44040464), (664, 30310982), (914, 22020232), (1079, 18652912), (1328, 15155491), (1828, 11010116), (2158, 9326456), (2551, 7889648), (3656, 5505058), (4316, 4663228), (5102, 3944824), (5941, 3387728), (7312, 2752529), (8632, 2331614), (10204, 1972412), (11882, 1693864), (17264, 1165807), (20408, 986206), (23764, 846932), (33163, 606896), (37931, 530608), (40816, 493103), (47528, 423466), (66326, 303448), (75862, 265304), (95056, 211733), (132652, 151724)]