20689468

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 36953280

約数和(自身を除く): 16263812

約数列:

[1, 2, 4, 79, 158, 233, 281, 316, 466, 562, 932, 1124, 18407, 22199, 36814, 44398, 65473, 73628, 88796, 130946, 261892, 5172367, 10344734, 20689468]

約数ペア:

[(1, 20689468), (2, 10344734), (4, 5172367), (79, 261892), (158, 130946), (233, 88796), (281, 73628), (316, 65473), (466, 44398), (562, 36814), (932, 22199), (1124, 18407)]