20812644

素因数分解:

$2^2\times 3^2\times {\mathrm{617}}^1\times {\mathrm{937}}^1$

素因数の和:1564

約数の個数: 36

約数和(自身を含む): 52751244

約数和(自身を除く): 31938600

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 617, 937, 1234, 1851, 1874, 2468, 2811, 3702, 3748, 5553, 5622, 7404, 8433, 11106, 11244, 16866, 22212, 33732, 578129, 1156258, 1734387, 2312516, 3468774, 5203161, 6937548, 10406322, 20812644]

約数ペア:

[(1, 20812644), (2, 10406322), (3, 6937548), (4, 5203161), (6, 3468774), (9, 2312516), (12, 1734387), (18, 1156258), (36, 578129), (617, 33732), (937, 22212), (1234, 16866), (1851, 11244), (1874, 11106), (2468, 8433), (2811, 7404), (3702, 5622), (3748, 5553)]