20177864

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4561}}^1$

素因数の和:4653

約数の個数: 32

約数和(自身を含む): 43795200

約数和(自身を除く): 23617336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 4561, 9122, 18244, 31927, 36488, 63854, 127708, 255416, 360319, 720638, 1441276, 2522233, 2882552, 5044466, 10088932, 20177864]

約数ペア:

[(1, 20177864), (2, 10088932), (4, 5044466), (7, 2882552), (8, 2522233), (14, 1441276), (28, 720638), (56, 360319), (79, 255416), (158, 127708), (316, 63854), (553, 36488), (632, 31927), (1106, 18244), (2212, 9122), (4424, 4561)]