20951625

素因数分解:

$3^1\times 5^3\times {\mathrm{55871}}^1$

素因数の和:55889

約数の個数: 16

約数和(自身を含む): 34864128

約数和(自身を除く): 13912503

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 55871, 167613, 279355, 838065, 1396775, 4190325, 6983875, 20951625]

約数ペア:

[(1, 20951625), (3, 6983875), (5, 4190325), (15, 1396775), (25, 838065), (75, 279355), (125, 167613), (375, 55871)]