20497932

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6257}}^1$

素因数の和:6287

約数の個数: 72

約数和(自身を含む): 63781536

約数和(自身を除く): 43283604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6257, 12514, 18771, 25028, 37542, 43799, 56313, 75084, 81341, 87598, 112626, 131397, 162682, 175196, 225252, 244023, 262794, 325364, 394191, 488046, 525588, 569387, 732069, 788382, 976092, 1138774, 1464138, 1576764, 1708161, 2277548, 2928276, 3416322, 5124483, 6832644, 10248966, 20497932]

約数ペア:

[(1, 20497932), (2, 10248966), (3, 6832644), (4, 5124483), (6, 3416322), (7, 2928276), (9, 2277548), (12, 1708161), (13, 1576764), (14, 1464138), (18, 1138774), (21, 976092), (26, 788382), (28, 732069), (36, 569387), (39, 525588), (42, 488046), (52, 394191), (63, 325364), (78, 262794), (84, 244023), (91, 225252), (117, 175196), (126, 162682), (156, 131397), (182, 112626), (234, 87598), (252, 81341), (273, 75084), (364, 56313), (468, 43799), (546, 37542), (819, 25028), (1092, 18771), (1638, 12514), (3276, 6257)]