20207625

素因数分解:

$3^1\times 5^3\times {\mathrm{53887}}^1$

素因数の和:53905

約数の個数: 16

約数和(自身を含む): 33626112

約数和(自身を除く): 13418487

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 53887, 161661, 269435, 808305, 1347175, 4041525, 6735875, 20207625]

約数ペア:

[(1, 20207625), (3, 6735875), (5, 4041525), (15, 1347175), (25, 808305), (75, 269435), (125, 161661), (375, 53887)]