20838016

素因数分解:

$2^7\times {\mathrm{263}}^1\times {\mathrm{619}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 41738400

約数和(自身を除く): 20900384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 263, 526, 619, 1052, 1238, 2104, 2476, 4208, 4952, 8416, 9904, 16832, 19808, 33664, 39616, 79232, 162797, 325594, 651188, 1302376, 2604752, 5209504, 10419008, 20838016]

約数ペア:

[(1, 20838016), (2, 10419008), (4, 5209504), (8, 2604752), (16, 1302376), (32, 651188), (64, 325594), (128, 162797), (263, 79232), (526, 39616), (619, 33664), (1052, 19808), (1238, 16832), (2104, 9904), (2476, 8416), (4208, 4952)]