20395616

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{8731}}^1$

素因数の和:8814

約数の個数: 24

約数和(自身を含む): 40708584

約数和(自身を除く): 20312968

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 8731, 17462, 34924, 69848, 139696, 279392, 637363, 1274726, 2549452, 5098904, 10197808, 20395616]

約数ペア:

[(1, 20395616), (2, 10197808), (4, 5098904), (8, 2549452), (16, 1274726), (32, 637363), (73, 279392), (146, 139696), (292, 69848), (584, 34924), (1168, 17462), (2336, 8731)]