20754135

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7817}}^1$

素因数の和:7887

約数の個数: 24

約数和(自身を含む): 36588240

約数和(自身を除く): 15834105

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 295, 531, 885, 2655, 7817, 23451, 39085, 70353, 117255, 351765, 461203, 1383609, 2306015, 4150827, 6918045, 20754135]

約数ペア:

[(1, 20754135), (3, 6918045), (5, 4150827), (9, 2306015), (15, 1383609), (45, 461203), (59, 351765), (177, 117255), (295, 70353), (531, 39085), (885, 23451), (2655, 7817)]