20613528

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{2447}}^1$

素因数の和:2478

約数の個数: 80

約数和(自身を含む): 62203680

約数和(自身を除く): 41590152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2447, 2808, 4212, 4894, 7341, 8424, 9788, 14682, 19576, 22023, 29364, 31811, 44046, 58728, 63622, 66069, 88092, 95433, 127244, 132138, 176184, 190866, 198207, 254488, 264276, 286299, 381732, 396414, 528552, 572598, 763464, 792828, 858897, 1145196, 1585656, 1717794, 2290392, 2576691, 3435588, 5153382, 6871176, 10306764, 20613528]

約数ペア:

[(1, 20613528), (2, 10306764), (3, 6871176), (4, 5153382), (6, 3435588), (8, 2576691), (9, 2290392), (12, 1717794), (13, 1585656), (18, 1145196), (24, 858897), (26, 792828), (27, 763464), (36, 572598), (39, 528552), (52, 396414), (54, 381732), (72, 286299), (78, 264276), (81, 254488), (104, 198207), (108, 190866), (117, 176184), (156, 132138), (162, 127244), (216, 95433), (234, 88092), (312, 66069), (324, 63622), (351, 58728), (468, 44046), (648, 31811), (702, 29364), (936, 22023), (1053, 19576), (1404, 14682), (2106, 9788), (2447, 8424), (2808, 7341), (4212, 4894)]