20050425

素因数分解:

$3^2\times 5^2\times {\mathrm{89113}}^1$

素因数の和:89129

約数の個数: 18

約数和(自身を含む): 35912942

約数和(自身を除く): 15862517

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 89113, 267339, 445565, 802017, 1336695, 2227825, 4010085, 6683475, 20050425]

約数ペア:

[(1, 20050425), (3, 6683475), (5, 4010085), (9, 2227825), (15, 1336695), (25, 802017), (45, 445565), (75, 267339), (225, 89113)]