20319516

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11519}}^1$

素因数の和:11543

約数の個数: 54

約数和(自身を含む): 59754240

約数和(自身を除く): 39434724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11519, 23038, 34557, 46076, 69114, 80633, 103671, 138228, 161266, 207342, 241899, 322532, 414684, 483798, 564431, 725697, 967596, 1128862, 1451394, 1693293, 2257724, 2902788, 3386586, 5079879, 6773172, 10159758, 20319516]

約数ペア:

[(1, 20319516), (2, 10159758), (3, 6773172), (4, 5079879), (6, 3386586), (7, 2902788), (9, 2257724), (12, 1693293), (14, 1451394), (18, 1128862), (21, 967596), (28, 725697), (36, 564431), (42, 483798), (49, 414684), (63, 322532), (84, 241899), (98, 207342), (126, 161266), (147, 138228), (196, 103671), (252, 80633), (294, 69114), (441, 46076), (588, 34557), (882, 23038), (1764, 11519)]