20814605

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20507}}^1$

素因数の和:20548

約数の個数: 16

約数和(自身を含む): 29531520

約数和(自身を除く): 8716915

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 20507, 102535, 143549, 594703, 717745, 2973515, 4162921, 20814605]

約数ペア:

[(1, 20814605), (5, 4162921), (7, 2973515), (29, 717745), (35, 594703), (145, 143549), (203, 102535), (1015, 20507)]