20902392

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:705

約数の個数: 96

約数和(自身を含む): 65769600

約数和(自身を除く): 44867208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 67, 72, 84, 126, 134, 168, 201, 252, 268, 402, 469, 504, 536, 603, 619, 804, 938, 1206, 1238, 1407, 1608, 1857, 1876, 2412, 2476, 2814, 3714, 3752, 4221, 4333, 4824, 4952, 5571, 5628, 7428, 8442, 8666, 11142, 11256, 12999, 14856, 16884, 17332, 22284, 25998, 33768, 34664, 38997, 41473, 44568, 51996, 77994, 82946, 103992, 124419, 155988, 165892, 248838, 290311, 311976, 331784, 373257, 497676, 580622, 746514, 870933, 995352, 1161244, 1493028, 1741866, 2322488, 2612799, 2986056, 3483732, 5225598, 6967464, 10451196, 20902392]

約数ペア:

[(1, 20902392), (2, 10451196), (3, 6967464), (4, 5225598), (6, 3483732), (7, 2986056), (8, 2612799), (9, 2322488), (12, 1741866), (14, 1493028), (18, 1161244), (21, 995352), (24, 870933), (28, 746514), (36, 580622), (42, 497676), (56, 373257), (63, 331784), (67, 311976), (72, 290311), (84, 248838), (126, 165892), (134, 155988), (168, 124419), (201, 103992), (252, 82946), (268, 77994), (402, 51996), (469, 44568), (504, 41473), (536, 38997), (603, 34664), (619, 33768), (804, 25998), (938, 22284), (1206, 17332), (1238, 16884), (1407, 14856), (1608, 12999), (1857, 11256), (1876, 11142), (2412, 8666), (2476, 8442), (2814, 7428), (3714, 5628), (3752, 5571), (4221, 4952), (4333, 4824)]