20387872

素因数分解:

$2^5\times {\mathrm{271}}^1\times {\mathrm{2351}}^1$

素因数の和:2632

約数の個数: 24

約数和(自身を含む): 40303872

約数和(自身を除く): 19916000

約数列:

[1, 2, 4, 8, 16, 32, 271, 542, 1084, 2168, 2351, 4336, 4702, 8672, 9404, 18808, 37616, 75232, 637121, 1274242, 2548484, 5096968, 10193936, 20387872]

約数ペア:

[(1, 20387872), (2, 10193936), (4, 5096968), (8, 2548484), (16, 1274242), (32, 637121), (271, 75232), (542, 37616), (1084, 18808), (2168, 9404), (2351, 8672), (4336, 4702)]