20704712

素因数分解:

$2^3\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1117}}^1$

素因数の和:1461

約数の個数: 32

約数和(自身を含む): 44541120

約数和(自身を除く): 23836408

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 331, 662, 1117, 1324, 2234, 2317, 2648, 4468, 4634, 7819, 8936, 9268, 15638, 18536, 31276, 62552, 369727, 739454, 1478908, 2588089, 2957816, 5176178, 10352356, 20704712]

約数ペア:

[(1, 20704712), (2, 10352356), (4, 5176178), (7, 2957816), (8, 2588089), (14, 1478908), (28, 739454), (56, 369727), (331, 62552), (662, 31276), (1117, 18536), (1324, 15638), (2234, 9268), (2317, 8936), (2648, 7819), (4468, 4634)]