20807136

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10321}}^1$

素因数の和:10344

約数の個数: 72

約数和(自身を含む): 67629744

約数和(自身を除く): 46822608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10321, 20642, 30963, 41284, 61926, 72247, 82568, 92889, 123852, 144494, 165136, 185778, 216741, 247704, 288988, 330272, 371556, 433482, 495408, 577976, 650223, 743112, 866964, 990816, 1155952, 1300446, 1486224, 1733928, 2311904, 2600892, 2972448, 3467856, 5201784, 6935712, 10403568, 20807136]

約数ペア:

[(1, 20807136), (2, 10403568), (3, 6935712), (4, 5201784), (6, 3467856), (7, 2972448), (8, 2600892), (9, 2311904), (12, 1733928), (14, 1486224), (16, 1300446), (18, 1155952), (21, 990816), (24, 866964), (28, 743112), (32, 650223), (36, 577976), (42, 495408), (48, 433482), (56, 371556), (63, 330272), (72, 288988), (84, 247704), (96, 216741), (112, 185778), (126, 165136), (144, 144494), (168, 123852), (224, 92889), (252, 82568), (288, 72247), (336, 61926), (504, 41284), (672, 30963), (1008, 20642), (2016, 10321)]