20945375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{15233}}^1$

素因数の和:15259

約数の個数: 16

約数和(自身を含む): 28518048

約数和(自身を除く): 7572673

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 15233, 76165, 167563, 380825, 837815, 1904125, 4189075, 20945375]

約数ペア:

[(1, 20945375), (5, 4189075), (11, 1904125), (25, 837815), (55, 380825), (125, 167563), (275, 76165), (1375, 15233)]