20902016

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{2677}}^1$

素因数の和:2752

約数の個数: 32

約数和(自身を含む): 42339180

約数和(自身を除く): 21437164

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 2677, 3904, 5354, 7808, 10708, 21416, 42832, 85664, 163297, 171328, 326594, 342656, 653188, 1306376, 2612752, 5225504, 10451008, 20902016]

約数ペア:

[(1, 20902016), (2, 10451008), (4, 5225504), (8, 2612752), (16, 1306376), (32, 653188), (61, 342656), (64, 326594), (122, 171328), (128, 163297), (244, 85664), (488, 42832), (976, 21416), (1952, 10708), (2677, 7808), (3904, 5354)]