20952736

素因数分解:

$2^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1051}}^1$

素因数の和:1157

約数の個数: 48

約数和(自身を含む): 47718720

約数和(自身を除く): 26765984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 112, 178, 224, 356, 623, 712, 1051, 1246, 1424, 2102, 2492, 2848, 4204, 4984, 7357, 8408, 9968, 14714, 16816, 19936, 29428, 33632, 58856, 93539, 117712, 187078, 235424, 374156, 654773, 748312, 1309546, 1496624, 2619092, 2993248, 5238184, 10476368, 20952736]

約数ペア:

[(1, 20952736), (2, 10476368), (4, 5238184), (7, 2993248), (8, 2619092), (14, 1496624), (16, 1309546), (28, 748312), (32, 654773), (56, 374156), (89, 235424), (112, 187078), (178, 117712), (224, 93539), (356, 58856), (623, 33632), (712, 29428), (1051, 19936), (1246, 16816), (1424, 14714), (2102, 9968), (2492, 8408), (2848, 7357), (4204, 4984)]