20145609

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3449}}^1$

素因数の和:3525

約数の個数: 24

約数和(自身を含む): 32292000

約数和(自身を除く): 12146391

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 3449, 5841, 10347, 31041, 37939, 113817, 203491, 341451, 610473, 1831419, 2238401, 6715203, 20145609]

約数ペア:

[(1, 20145609), (3, 6715203), (9, 2238401), (11, 1831419), (33, 610473), (59, 341451), (99, 203491), (177, 113817), (531, 37939), (649, 31041), (1947, 10347), (3449, 5841)]