20112678

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{19603}}^1$

素因数の和:19633

約数の個数: 32

約数和(自身を含む): 47049600

約数和(自身を除く): 26936922

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 19603, 39206, 58809, 117618, 176427, 352854, 372457, 529281, 744914, 1058562, 1117371, 2234742, 3352113, 6704226, 10056339, 20112678]

約数ペア:

[(1, 20112678), (2, 10056339), (3, 6704226), (6, 3352113), (9, 2234742), (18, 1117371), (19, 1058562), (27, 744914), (38, 529281), (54, 372457), (57, 352854), (114, 176427), (171, 117618), (342, 58809), (513, 39206), (1026, 19603)]