20874035

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3529}}^1$

素因数の和:3567

約数の個数: 24

約数和(自身を含む): 31007520

約数和(自身を除く): 10133485

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 3529, 5915, 17645, 24703, 45877, 123515, 229385, 321139, 596401, 1605695, 2982005, 4174807, 20874035]

約数ペア:

[(1, 20874035), (5, 4174807), (7, 2982005), (13, 1605695), (35, 596401), (65, 321139), (91, 229385), (169, 123515), (455, 45877), (845, 24703), (1183, 17645), (3529, 5915)]