20589080

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{941}}^1$

素因数の和:1499

約数の個数: 32

約数和(自身を含む): 46459440

約数和(自身を除く): 25870360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 941, 1094, 1882, 2188, 2735, 3764, 4376, 4705, 5470, 7528, 9410, 10940, 18820, 21880, 37640, 514727, 1029454, 2058908, 2573635, 4117816, 5147270, 10294540, 20589080]

約数ペア:

[(1, 20589080), (2, 10294540), (4, 5147270), (5, 4117816), (8, 2573635), (10, 2058908), (20, 1029454), (40, 514727), (547, 37640), (941, 21880), (1094, 18820), (1882, 10940), (2188, 9410), (2735, 7528), (3764, 5470), (4376, 4705)]