20995312900

素因数分解:

$2^2\times 5^2\times {\mathrm{1433}}^1\times {\mathrm{146513}}^1$

素因数の和:147960

約数の個数: 36

約数和(自身を含む): 45591933492

約数和(自身を除く): 24596620592

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1433, 2866, 5732, 7165, 14330, 28660, 35825, 71650, 143300, 146513, 293026, 586052, 732565, 1465130, 2930260, 3662825, 7325650, 14651300, 209953129, 419906258, 839812516, 1049765645, 2099531290, 4199062580, 5248828225, 10497656450, 20995312900]

約数ペア:

[(1, 20995312900), (2, 10497656450), (4, 5248828225), (5, 4199062580), (10, 2099531290), (20, 1049765645), (25, 839812516), (50, 419906258), (100, 209953129), (1433, 14651300), (2866, 7325650), (5732, 3662825), (7165, 2930260), (14330, 1465130), (28660, 732565), (35825, 586052), (71650, 293026), (143300, 146513)]