20436164

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 22238524

約数列:

[1, 2, 4, 7, 14, 28, 47, 53, 94, 106, 188, 212, 293, 329, 371, 586, 658, 742, 1172, 1316, 1484, 2051, 2491, 4102, 4982, 8204, 9964, 13771, 15529, 17437, 27542, 31058, 34874, 55084, 62116, 69748, 96397, 108703, 192794, 217406, 385588, 434812, 729863, 1459726, 2919452, 5109041, 10218082, 20436164]

約数ペア:

[(1, 20436164), (2, 10218082), (4, 5109041), (7, 2919452), (14, 1459726), (28, 729863), (47, 434812), (53, 385588), (94, 217406), (106, 192794), (188, 108703), (212, 96397), (293, 69748), (329, 62116), (371, 55084), (586, 34874), (658, 31058), (742, 27542), (1172, 17437), (1316, 15529), (1484, 13771), (2051, 9964), (2491, 8204), (4102, 4982)]