20671616

素因数分解:

$2^7\times 7^1\times {\mathrm{23071}}^1$

素因数の和:23092

約数の個数: 32

約数和(自身を含む): 47066880

約数和(自身を除く): 26395264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23071, 46142, 92284, 161497, 184568, 322994, 369136, 645988, 738272, 1291976, 1476544, 2583952, 2953088, 5167904, 10335808, 20671616]

約数ペア:

[(1, 20671616), (2, 10335808), (4, 5167904), (7, 2953088), (8, 2583952), (14, 1476544), (16, 1291976), (28, 738272), (32, 645988), (56, 369136), (64, 322994), (112, 184568), (128, 161497), (224, 92284), (448, 46142), (896, 23071)]