20752368

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4751}}^1$

素因数の和:4782

約数の個数: 80

約数和(自身を含む): 65995776

約数和(自身を除く): 45243408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 4751, 9502, 14253, 19004, 28506, 33257, 38008, 57012, 61763, 66514, 76016, 99771, 114024, 123526, 133028, 185289, 199542, 228048, 247052, 266056, 370578, 399084, 432341, 494104, 532112, 741156, 798168, 864682, 988208, 1297023, 1482312, 1596336, 1729364, 2594046, 2964624, 3458728, 5188092, 6917456, 10376184, 20752368]

約数ペア:

[(1, 20752368), (2, 10376184), (3, 6917456), (4, 5188092), (6, 3458728), (7, 2964624), (8, 2594046), (12, 1729364), (13, 1596336), (14, 1482312), (16, 1297023), (21, 988208), (24, 864682), (26, 798168), (28, 741156), (39, 532112), (42, 494104), (48, 432341), (52, 399084), (56, 370578), (78, 266056), (84, 247052), (91, 228048), (104, 199542), (112, 185289), (156, 133028), (168, 123526), (182, 114024), (208, 99771), (273, 76016), (312, 66514), (336, 61763), (364, 57012), (546, 38008), (624, 33257), (728, 28506), (1092, 19004), (1456, 14253), (2184, 9502), (4368, 4751)]