2020144880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{149419}}^1$

素因数の和:149458

約数の個数: 60

約数和(自身を含む): 5085957960

約数和(自身を除く): 3065813080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 149419, 298838, 597676, 747095, 1195352, 1494190, 1942447, 2390704, 2988380, 3884894, 5976760, 7769788, 9712235, 11953520, 15539576, 19424470, 25251811, 31079152, 38848940, 50503622, 77697880, 101007244, 126259055, 155395760, 202014488, 252518110, 404028976, 505036220, 1010072440, 2020144880]

約数ペア:

[(1, 2020144880), (2, 1010072440), (4, 505036220), (5, 404028976), (8, 252518110), (10, 202014488), (13, 155395760), (16, 126259055), (20, 101007244), (26, 77697880), (40, 50503622), (52, 38848940), (65, 31079152), (80, 25251811), (104, 19424470), (130, 15539576), (169, 11953520), (208, 9712235), (260, 7769788), (338, 5976760), (520, 3884894), (676, 2988380), (845, 2390704), (1040, 1942447), (1352, 1494190), (1690, 1195352), (2704, 747095), (3380, 597676), (6760, 298838), (13520, 149419)]