20506878

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{54251}}^1$

素因数の和:54269

約数の個数: 32

約数和(自身を含む): 52081920

約数和(自身を除く): 31575042

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 54251, 108502, 162753, 325506, 379757, 488259, 759514, 976518, 1139271, 1464777, 2278542, 2929554, 3417813, 6835626, 10253439, 20506878]

約数ペア:

[(1, 20506878), (2, 10253439), (3, 6835626), (6, 3417813), (7, 2929554), (9, 2278542), (14, 1464777), (18, 1139271), (21, 976518), (27, 759514), (42, 488259), (54, 379757), (63, 325506), (126, 162753), (189, 108502), (378, 54251)]