20885256

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:768

約数の個数: 128

約数和(自身を含む): 69888000

約数和(自身を除く): 49002744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 84, 108, 114, 126, 133, 152, 168, 171, 189, 216, 228, 252, 266, 342, 378, 399, 456, 504, 513, 532, 684, 727, 756, 798, 1026, 1064, 1197, 1368, 1454, 1512, 1596, 2052, 2181, 2394, 2908, 3192, 3591, 4104, 4362, 4788, 5089, 5816, 6543, 7182, 8724, 9576, 10178, 13086, 13813, 14364, 15267, 17448, 19629, 20356, 26172, 27626, 28728, 30534, 39258, 40712, 41439, 45801, 52344, 55252, 61068, 78516, 82878, 91602, 96691, 110504, 122136, 124317, 137403, 157032, 165756, 183204, 193382, 248634, 274806, 290073, 331512, 366408, 372951, 386764, 497268, 549612, 580146, 745902, 773528, 870219, 994536, 1099224, 1160292, 1491804, 1740438, 2320584, 2610657, 2983608, 3480876, 5221314, 6961752, 10442628, 20885256]

約数ペア:

[(1, 20885256), (2, 10442628), (3, 6961752), (4, 5221314), (6, 3480876), (7, 2983608), (8, 2610657), (9, 2320584), (12, 1740438), (14, 1491804), (18, 1160292), (19, 1099224), (21, 994536), (24, 870219), (27, 773528), (28, 745902), (36, 580146), (38, 549612), (42, 497268), (54, 386764), (56, 372951), (57, 366408), (63, 331512), (72, 290073), (76, 274806), (84, 248634), (108, 193382), (114, 183204), (126, 165756), (133, 157032), (152, 137403), (168, 124317), (171, 122136), (189, 110504), (216, 96691), (228, 91602), (252, 82878), (266, 78516), (342, 61068), (378, 55252), (399, 52344), (456, 45801), (504, 41439), (513, 40712), (532, 39258), (684, 30534), (727, 28728), (756, 27626), (798, 26172), (1026, 20356), (1064, 19629), (1197, 17448), (1368, 15267), (1454, 14364), (1512, 13813), (1596, 13086), (2052, 10178), (2181, 9576), (2394, 8724), (2908, 7182), (3192, 6543), (3591, 5816), (4104, 5089), (4362, 4788)]