20751004

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 36949248

約数和(自身を除く): 16198244

約数列:

[1, 2, 4, 157, 173, 191, 314, 346, 382, 628, 692, 764, 27161, 29987, 33043, 54322, 59974, 66086, 108644, 119948, 132172, 5187751, 10375502, 20751004]

約数ペア:

[(1, 20751004), (2, 10375502), (4, 5187751), (157, 132172), (173, 119948), (191, 108644), (314, 66086), (346, 59974), (382, 54322), (628, 33043), (692, 29987), (764, 27161)]