20163405745

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25047709}}^1$

素因数の和:25047744

約数の個数: 16

約数和(自身を含む): 28854961920

約数和(自身を除く): 8691556175

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25047709, 125238545, 175333963, 576097307, 876669815, 2880486535, 4032681149, 20163405745]

約数ペア:

[(1, 20163405745), (5, 4032681149), (7, 2880486535), (23, 876669815), (35, 576097307), (115, 175333963), (161, 125238545), (805, 25047709)]