20130188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5303}}^1$

素因数の和:5393

約数の個数: 24

約数和(自身を含む): 38464608

約数和(自身を除く): 18334420

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 5303, 10606, 21212, 68939, 137878, 275756, 387119, 774238, 1548476, 5032547, 10065094, 20130188]

約数ペア:

[(1, 20130188), (2, 10065094), (4, 5032547), (13, 1548476), (26, 774238), (52, 387119), (73, 275756), (146, 137878), (292, 68939), (949, 21212), (1898, 10606), (3796, 5303)]