20451270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97387}}^1$

素因数の和:97404

約数の個数: 32

約数和(自身を含む): 56095488

約数和(自身を除く): 35644218

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 97387, 194774, 292161, 486935, 584322, 681709, 973870, 1363418, 1460805, 2045127, 2921610, 3408545, 4090254, 6817090, 10225635, 20451270]

約数ペア:

[(1, 20451270), (2, 10225635), (3, 6817090), (5, 4090254), (6, 3408545), (7, 2921610), (10, 2045127), (14, 1460805), (15, 1363418), (21, 973870), (30, 681709), (35, 584322), (42, 486935), (70, 292161), (105, 194774), (210, 97387)]