20965504

素因数分解:

$2^7\times 7^1\times {\mathrm{23399}}^1$

素因数の和:23420

約数の個数: 32

約数和(自身を含む): 47736000

約数和(自身を除く): 26770496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23399, 46798, 93596, 163793, 187192, 327586, 374384, 655172, 748768, 1310344, 1497536, 2620688, 2995072, 5241376, 10482752, 20965504]

約数ペア:

[(1, 20965504), (2, 10482752), (4, 5241376), (7, 2995072), (8, 2620688), (14, 1497536), (16, 1310344), (28, 748768), (32, 655172), (56, 374384), (64, 327586), (112, 187192), (128, 163793), (224, 93596), (448, 46798), (896, 23399)]