20214016

素因数分解:

$2^8\times {\mathrm{281}}^2$

素因数の和:578

約数の個数: 27

約数和(自身を含む): 40493173

約数和(自身を除く): 20279157

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 281, 562, 1124, 2248, 4496, 8992, 17984, 35968, 71936, 78961, 157922, 315844, 631688, 1263376, 2526752, 5053504, 10107008, 20214016]

約数ペア:

[(1, 20214016), (2, 10107008), (4, 5053504), (8, 2526752), (16, 1263376), (32, 631688), (64, 315844), (128, 157922), (256, 78961), (281, 71936), (562, 35968), (1124, 17984), (2248, 8992)]