20208525

素因数分解:

$3^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1277}}^1$

素因数の和:1501

約数の個数: 24

約数和(自身を含む): 33596064

約数和(自身を除く): 13387539

約数列:

[1, 3, 5, 15, 25, 75, 211, 633, 1055, 1277, 3165, 3831, 5275, 6385, 15825, 19155, 31925, 95775, 269447, 808341, 1347235, 4041705, 6736175, 20208525]

約数ペア:

[(1, 20208525), (3, 6736175), (5, 4041705), (15, 1347235), (25, 808341), (75, 269447), (211, 95775), (633, 31925), (1055, 19155), (1277, 15825), (3165, 6385), (3831, 5275)]