20047725

素因数分解:

$3^2\times 5^2\times {\mathrm{89101}}^1$

素因数の和:89117

約数の個数: 18

約数和(自身を含む): 35908106

約数和(自身を除く): 15860381

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 89101, 267303, 445505, 801909, 1336515, 2227525, 4009545, 6682575, 20047725]

約数ペア:

[(1, 20047725), (3, 6682575), (5, 4009545), (9, 2227525), (15, 1336515), (25, 801909), (45, 445505), (75, 267303), (225, 89101)]