20847268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{2099}}^1$

素因数の和:2307

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 18666332

約数列:

[1, 2, 4, 13, 26, 52, 191, 382, 764, 2099, 2483, 4198, 4966, 8396, 9932, 27287, 54574, 109148, 400909, 801818, 1603636, 5211817, 10423634, 20847268]

約数ペア:

[(1, 20847268), (2, 10423634), (4, 5211817), (13, 1603636), (26, 801818), (52, 400909), (191, 109148), (382, 54574), (764, 27287), (2099, 9932), (2483, 8396), (4198, 4966)]