20903036

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67867}}^1$

素因数の和:67889

約数の個数: 24

約数和(自身を含む): 45607296

約数和(自身を除く): 24704260

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67867, 135734, 271468, 475069, 746537, 950138, 1493074, 1900276, 2986148, 5225759, 10451518, 20903036]

約数ペア:

[(1, 20903036), (2, 10451518), (4, 5225759), (7, 2986148), (11, 1900276), (14, 1493074), (22, 950138), (28, 746537), (44, 475069), (77, 271468), (154, 135734), (308, 67867)]