20888970505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{10687}}^1\times {\mathrm{30071}}^1$

素因数の和:40776

約数の個数: 16

約数和(自身を含む): 26998401024

約数和(自身を除く): 6109430519

約数列:

[1, 5, 13, 65, 10687, 30071, 53435, 138931, 150355, 390923, 694655, 1954615, 321368777, 1606843885, 4177794101, 20888970505]

約数ペア:

[(1, 20888970505), (5, 4177794101), (13, 1606843885), (65, 321368777), (10687, 1954615), (30071, 694655), (53435, 390923), (138931, 150355)]