20615536

素因数分解:

$2^4\times {\mathrm{1091}}^1\times {\mathrm{1181}}^1$

素因数の和:2280

約数の個数: 20

約数和(自身を含む): 40013064

約数和(自身を除く): 19397528

約数列:

[1, 2, 4, 8, 16, 1091, 1181, 2182, 2362, 4364, 4724, 8728, 9448, 17456, 18896, 1288471, 2576942, 5153884, 10307768, 20615536]

約数ペア:

[(1, 20615536), (2, 10307768), (4, 5153884), (8, 2576942), (16, 1288471), (1091, 18896), (1181, 17456), (2182, 9448), (2362, 8728), (4364, 4724)]