20659878

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 47514480

約数和(自身を除く): 26854602

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 193, 313, 342, 386, 579, 626, 939, 1158, 1737, 1878, 2817, 3474, 3667, 5634, 5947, 7334, 11001, 11894, 17841, 22002, 33003, 35682, 53523, 60409, 66006, 107046, 120818, 181227, 362454, 543681, 1087362, 1147771, 2295542, 3443313, 6886626, 10329939, 20659878]

約数ペア:

[(1, 20659878), (2, 10329939), (3, 6886626), (6, 3443313), (9, 2295542), (18, 1147771), (19, 1087362), (38, 543681), (57, 362454), (114, 181227), (171, 120818), (193, 107046), (313, 66006), (342, 60409), (386, 53523), (579, 35682), (626, 33003), (939, 22002), (1158, 17841), (1737, 11894), (1878, 11001), (2817, 7334), (3474, 5947), (3667, 5634)]