20872528

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{5413}}^1$

素因数の和:5662

約数の個数: 20

約数和(自身を含む): 40615828

約数和(自身を除く): 19743300

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 5413, 10826, 21652, 43304, 86608, 1304533, 2609066, 5218132, 10436264, 20872528]

約数ペア:

[(1, 20872528), (2, 10436264), (4, 5218132), (8, 2609066), (16, 1304533), (241, 86608), (482, 43304), (964, 21652), (1928, 10826), (3856, 5413)]