20129048172

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{498787}}^1$

素因数の和:498875

約数の個数: 72

約数和(自身を含む): 54467649600

約数和(自身を除く): 34338601428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 59, 76, 114, 118, 171, 177, 228, 236, 342, 354, 531, 684, 708, 1062, 1121, 2124, 2242, 3363, 4484, 6726, 10089, 13452, 20178, 40356, 498787, 997574, 1496361, 1995148, 2992722, 4489083, 5985444, 8978166, 9476953, 17956332, 18953906, 28430859, 29428433, 37907812, 56861718, 58856866, 85292577, 88285299, 113723436, 117713732, 170585154, 176570598, 264855897, 341170308, 353141196, 529711794, 559140227, 1059423588, 1118280454, 1677420681, 2236560908, 3354841362, 5032262043, 6709682724, 10064524086, 20129048172]

約数ペア:

[(1, 20129048172), (2, 10064524086), (3, 6709682724), (4, 5032262043), (6, 3354841362), (9, 2236560908), (12, 1677420681), (18, 1118280454), (19, 1059423588), (36, 559140227), (38, 529711794), (57, 353141196), (59, 341170308), (76, 264855897), (114, 176570598), (118, 170585154), (171, 117713732), (177, 113723436), (228, 88285299), (236, 85292577), (342, 58856866), (354, 56861718), (531, 37907812), (684, 29428433), (708, 28430859), (1062, 18953906), (1121, 17956332), (2124, 9476953), (2242, 8978166), (3363, 5985444), (4484, 4489083), (6726, 2992722), (10089, 1995148), (13452, 1496361), (20178, 997574), (40356, 498787)]