20617856

素因数分解:

$2^7\times 7^1\times {\mathrm{23011}}^1$

素因数の和:23032

約数の個数: 32

約数和(自身を含む): 46944480

約数和(自身を除く): 26326624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23011, 46022, 92044, 161077, 184088, 322154, 368176, 644308, 736352, 1288616, 1472704, 2577232, 2945408, 5154464, 10308928, 20617856]

約数ペア:

[(1, 20617856), (2, 10308928), (4, 5154464), (7, 2945408), (8, 2577232), (14, 1472704), (16, 1288616), (28, 736352), (32, 644308), (56, 368176), (64, 322154), (112, 184088), (128, 161077), (224, 92044), (448, 46022), (896, 23011)]